| SURNAME | GIVEN NAME | CD # | NEWSPAPER | DATE | PAGE | SUBJECT | NOTES | MP |
| M?? | Alfred | 11 | The Democratic Herald | 29 Mar 1871 | 4 | Official | X | |
| M?? | John | 11 | The Democratic Herald | 05 Apr 1871 | 2 | Legal | ||
| M?? | R. A. | 11 | The Democratic Herald | 29 Mar 1871 | 4 | Director | X | |
| MABB | A. J. | 11 | Butler County Citizen | 04 Sep 1872 | 2 | Court | ||
| MABB | A. J. | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Court | ||
| MABB | A. J. | 11 | Butler County Citizen | 02 Sep 1874 | 2 | Court | ||
| MABER | Phillip | 14 | Parker City Daily | 09 May 1876 | 3 | Buried | Millerstown | |
| MABER | Thomas H. | 14 | Parker City Daily | 27 May 1876 | 3 | Trial List | ||
| MABERRY | Jonathan | 11 | Butler County Citizen | 02 Sep 1874 | 2 | Court | ||
| MABOY | R. C. | 11 | The Democratic Herald | 29 Mar 1871 | 2 | Advertisement | ||
| M'ABOY | J. L. | 9 | Union Herald | 11 Apr 1866 | 3 | Advertisement | Butler | |
| M'ABOY | Jeremiah | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Centreville & Slippery Rock Twp | |
| M'ABOY | John | 8 | The Butler Union | 17 Sep 1861 | 3 | Juror | Franklin Twp | |
| M'ABOY | Jonathan J. | 8 | The Butler Union | 21 May 1861 | 3 | List of "Venders" | Franklin Twp | X |
| M'ABOY | R. C. | 9 | Union Herald | 11 Apr 1866 | 3 | Advertisement | Butler | |
| MACALESTER | C. | 11 | Butler County Citizen | 18 Sep 1872 | 2 | Letter | ||
| MACCARTNEY | R. A. | 16 | The Butler Citizen | 07 Jun 19OO | 4 | Advertisement | ||
| MACCULLY | H. V. | 15 | The Semi-Monthly | 01 Jan 1883 | 6 | Teachers' Institute | ||
| MACDONALD | Daniel | 2 | Butler Sentinel | 27 Feb 1830 | 3 | Marriage | Muddy Creek Twp. | |
| MACDUFF | Alex | 14 | Parker City Daily | 09 Aug 1876 | 3 | Guest | New York | |
| MACE | N. P. | 14 | Parker City Daily | 23 Jun 1876 | 3 | Good Trade | St. Joe | |
| MACE | S. N. | 16 | The Democratic Herald | 24 Feb 1898 | 1 | Sheriff's Sales | Evans City | X |
| MACE | V. C. | 13 | Parker City Daily | 18 Feb 1876 | 3 | Visiting | St. Joe | |
| MACE | V. P. | 13 | Parker City Daily | 20 Apr 1876 | 3 | Advertisement | St. Joe | |
| MACE | V. P. | 14 | Parker City Daily | 28 Apr 1876 | 2 | Purchased Livery | St. Joe | |
| MACE | V. P. | 14 | Parker City Daily | 01 Aug 1876 | 3 | Visiting | Petrolia | |
| MACHER | Sarah | 15 | Connoquenessing Valley News | 04 Jun 1891 | 2 | Property Transfer | Butler | |
| MACHLEN | Eli | 7 | The Democratic Herald | 20 Jun 1860 | 2 | Guilty | ||
| MACINTYRE | Jas. D. | 11 | Butler County Citizen | 18 Nov 1874 | 2 | Politics | ||
| MACKAY | Henry | 11 | East Brady Independent | 04 Mar 1871 | 4 | Church | Rev | |
| MACKEL | Samuel A. | 8 | The Democratic Herald | 24 Apr 1861 | 2 | Volunteer | ||
| MACKEY | Abraham | 1 | The Tree of Liberty | 29 Jul 1806 | 4 | List of Causes | Court of Common Pleas | |
| MACKEY | D. H. | 7 | The Democratic Herald | 11 Apr 1860 | 2 | Marble Cutter | ||
| MACKEY | David H. | 6 | Democratic Herald | 22 Feb 1854 | 4 | Business | Butler Borough | |
| MACKEY | E. | 14 | The Millerstown Herald | 15 Jul 1882 | 1 | School Board | ||
| MACKEY | E. S. | 14 | Parker City Daily | 06 Sep 1876 | 3 | Race | Millerstown | |
| MACKEY | Higbee | 16 | The Democratic Herald | 27 May 1898 | 1 | Visiting | ||
| MACKEY | Joseph | 8 | The Butler Union | 21 May 1861 | 3 | Executor's Notice | Franklin Twp | |
| MACKEY | Moses | 8 | The Butler Union | 28 Jan 1861 | 3 | Executor's Notice | Franklin Twp | X |
| MACKEY | Mrs. E. | 16 | The Democratic Herald | 27 May 1898 | 1 | Visiting | ||
| MACKEY | Mrs. E. I. | 8 | The Butler Union | 03 Sep 1861 | 2 | Sheriff's Sales | Franklin Twp | X |
| MACKEY | Mrs. Sarah | 16 | The Democratic Herald | 30 Sep 1898 | 1 | Visiting | ||
| MACKEY | Nelson | 6 | Democratic Herald | 09 Nov 1853 | 3 | Marriage | Clarion County | |
| MACKEY | Prof E. | 16 | The Democratic Herald | 27 May 1898 | 1 | Visiting | ||
| MACKEY | Prof. E. | 14 | Semi-Monthly | 01 Jan 1881 | 3 | Principal | Butler | |
| MACKEY | Robert W. | 11 | Butler County Citizen | 10 Sep 1873 | 3 | Politics | ||
| MACKEY | Sarah | 6 | Democratic Herald | 28 Nov 1855 | 4 | Sale of Mill and Land | Millerstown | |
| MACKEY | Sarah | 8 | The Democratic Herald | 17 Apr 1861 | 2 | Executrix | X | |
| MACKEY | William P. | 6 | Democratic Herald | 08 Feb 1851 | 3 | Plank Roads | Butler Borough | |
| MACKEY | William P. | 8 | The Democratic Herald | 17 Apr 1861 | 2 | Estate | ||
| MACKIN | Jas. D. | 14 | Semi-Monthly | 01 Sep 1882 | 3 | Lost Pocketbook | ||
| MACKLE | Michael | 8 | The Union Herald | 01 Oct 1864 | 3 | Court Proceedings | ||
| MACKLEY | Lena M. | 15 | Connoquenessing Valley News | 16 Apr 1891 | 2 | Resolution | Evans City | |
| MACKRALL | James | 9 | Democratic Herald | 14 Apr 1869 | 2 | Orphan's Home | Butler | |
| MACKRELL | James | 7 | The Democratic Herald | 28 Oct 1857 | 2 | Large Apples | ||
| MACLEAN | George | 11 | The Democratic Herald | 29 Mar 1871 | 2 | Advertisement | ||
| MACLEAN | George | 11 | The Democratic Herald | 05 Apr 1871 | 2 | Notice | ||
| MACLEAN | George | 11 | The Democratic Herald | 19 Apr 1871 | 2 | Advertisement | ||
| MACLIMONS | Margaret | 16 | The Democratic Herald | 18 Feb 1898 | 1 | Will | West Sunbury | |
| MACO | Perry | 13 | Parker City Daily | 22 Sep 1875 | 3 | Dispenses News | St. Joe | |
| MACOM | William John | 11 | Butler County Citizen | 24 Dec 1873 | 3 | Court | ||
| MACOM | Willian John | 11 | Butler County Citizen | 07 Jan 1874 | 3 | Court | ||
| MACREY | Archibald | 8 | The Butler Union | 11 Feb 1861 | 3 | Butler Academy | X | |
| MADDEN | James A. | 16 | The Democratic Herald | 17 Jun 1898 | 5 | Flag Day | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 29 May 1872 | 4 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 05 Jun 1872 | 4 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 03 Apr 1872 | 2 | Notice | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 10 Apr 1872 | 3 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 17 Apr 1872 | 3 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 24 Apr 1872 | 3 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 01 May 1872 | 3 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 08 May 1872 | 3 | Court | ||
| MADDIGAN | Michael | 11 | Butler County Citizen | 15 May 1872 | 4 | Court | ||
| MADER | John E. | 7 | The Democratic Herald | 23 Jul 1856 | 3 | Fair Committee | Saxonburg | X |
| MADISON | E. W. | 14 | Parker City Daily | 28 Jun 1876 | 3 | Advertisement | Karns City | |
| MADISON | M. E. | 13 | Parker City Daily | 20 Dec 1875 | 3 | Advertisement | ||
| MADISON | Miss Francis | 16 | Millerstown Herald | 09 Jun 1899 | 8 | Employed | ||
| MADLOCK | Josie | 13 | Parker City Daily | 20 Sep 1875 | 3 | Entertained | ||
| MAER | James | 7 | The Democratic Herald | 09 Jan 1856 | 5 | Sheriff's Sales | Fairview Twp | X |
| MAESEL | Nicholas | 16 | The Democratic Herald | 11 Nov 1898 | 1 | Awarded Contract | Butler | |
| M'AFEE | Daniel | 2 | Butler Sentinel | 15 Mar 1828 | 1 | Arrears of Taxes | Mercer Twp. | X |
| M'AFEE | Miss Bridget | 1 | The Butler Centinel | 02 Oct 1821 | 3 | List of Letters | Butler | X |
| MAFFAT | William | 11 | East Brady Independent | 04 Mar 1871 | 3 | Notice | ||
| MAGAW | Judith | 2 | Butler Sentinel | 01 Nov 1828 | 2 | Marriage | Connoquenessing Twp | |
| MAGDALENE | Mary | 1 | The Butler Sentinel | 05 Oct 1822 | 3 | List of Letters | Butler | X |
| MAGE | Joseph | 13 | Parker City Daily | 20 Nov 1875 | 3 | Strayed or Stolen | Karns City | |
| MAGEE | Amelia | 16 | The Democratic Herald | 11 Mar 1898 | 10 | Paying Costs | ||
| MAGEE | Andrew | 14 | Parker City Daily | 03 Aug 1876 | 3 | Oil Well | Warren | |
| MAGEE | Bob | 13 | Parker City Daily | 12 Oct 1875 | 3 | Seriously Ill | Oil City | |
| MAGEE | Bob | 14 | Parker City Daily | 01 Jun 1876 | 3 | Marshal of the Day | Oil City | |
| MAGEE | Daniel | 7 | The Democratic Herald | 01 Sep 1858 | 3 | List of Causes | ||
| MAGEE | Ella | 15 | Connoquenessing Valley News | 26 Feb 1891 | 3 | Marriage License | Jefferson Twp. | |
| MAGEE | F. S. | 9 | Union Herald | 02 May 1866 | 3 | Estate | Venango County | |
| MAGEE | George | 16 | The Democratic Herald | 11 Feb 1898 | 1 | Death Notice | Muddycreek Twp | |
| MAGEE | J. D. | 16 | The Democratic Herald | 17 Jun 1898 | 3 | Orphan's Court | Valencia | |
| MAGEE | J. H. | 16 | The Democratic Herald | 09 Sep 1898 | 3 | Fair Exhibitor | Portersville | |
| MAGEE | Jennie McKinney | 16 | The Democratic Herald | 27 May 1898 | 1 | Public School Graduate | ||
| MAGEE | Jim | 14 | Parker City Daily | 13 Jun 1876 | 3 | Looking for Hotel Site | ||
| MAGEE | John | 15 | Connoquenessing Valley News | 12 Feb 1891 | 3 | Property Transfers | Adams Twp | |
| MAGEE | Margaret | 9 | Union Herald | 02 May 1866 | 3 | Estate | Venango County | |
| MAGEE | Martha | 16 | The Democratic Herald | 01 Apr 1898 | 1 | Land Transfers | Connoquenessing Twp | |
| MAGEE | Miss Ella | 15 | Connoquenessing Valley News | 19 Feb 1891 | 3 | Marriage | Muddycreek Twp. | |
| MAGEE | Mrs. Martha | 16 | The Democratic Herald | 07 Jan 1896 | 1 | Petition | ||
| MAGEE | Robert | 1 | The Butler Sentinel | 19 Apr 1823 | 3 | List of Letters | Harmony | X |
| MAGEE | Samuel | 15 | Connoquenessing Valley News | 19 Mar 1891 | 3 | Court Notes | ||
| MAGEE | W. T. | 11 | Butler County Citizen | 04 Sep 1872 | 2 | Court | ||
| MAGEE | W. T. | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Court | ||
| MAGEE | William | 7 | The Democratic Herald | 19 May 1858 | 3 | Treasurer's Sales | Forward Twp | X |
| MAGEE | William | 7 | The Democratic Herald | 26 Nov 1856 | 3 | Sheriff's Sales | Forward Twp | |
| MAGEE | William | 10 | Butler Eagle | 26 Oct 1870 | 3 | Estate sale | ||
| MAGILL | Arthur | 1 | The Butler Centinel | 19 Jun 1821 | 3 | Meeting of Delegates | Allegheny County | |
| MAGILL | Mrs. Susan | 8 | The Butler Union | 19 Mar 1861 | 3 | Death Notice | Franklin Twp | |
| MAGILL | N. S. | 8 | The Butler Union | 21 May 1861 | 3 | Sheriff's Sales | Franklin Twp | X |
| MAGILL | Sgt. A. J. | 8 | The Butler Union | 17 Sep 1861 | 2 | Company Roll | ||
| MAGILL | William | 7 | The Democratic Herald | 13 Feb 1856 | 3 | Receipts & Expenditures | ||
| MAGILL | William | 11 | Butler County Citizen | 02 Oct 1872 | 3 | Court | ||
| MAGILL | William | 11 | Butler County Citizen | 02 Oct 1872 | 3 | Court | ||
| MAGINLEY | Sarah | 13 | Parker City Daily | 04 Mar 1876 | 3 | Tardy | Karns City | |
| MAGINNIS | Joseph | 1 | The Butler Centinel | 08 Jan 1822 | 3 | List of Letters | Butler | X |
| MAGINNIS | Rebecka | 1 | The Butler Centinel | 07 Oct 1820 | 3 | List of Letters | Butler | X |
| MAGIS | James | 8 | The Union Herald | 10 Dec 1862 | 3 | Death Notice | Connoquenessing Twp | |
| MAGIS | Margaret | 8 | The Union Herald | 10 Dec 1862 | 3 | Death Notice | Connoquenessing Twp | |
| MAGIS | Sarah Elizabeth | 8 | The Union Herald | 10 Dec 1862 | 3 | Death Notice | Connoquenessing Twp | |
| MAGLE | Anna | 8 | The Union Herald | 20 Jan 1864 | 3 | Notice | Clearfield Twp. | |
| MAGLE | William | 8 | The Union Herald | 20 Jan 1864 | 3 | Notice | Clearfield Twp. | |
| MAGOUS | C. H. | 15 | Connoquenessing Valley News | 11 Jul 1889 | 3 | In Town | Parker's Landing | |
| MAGOWAN | James | 1 | The Butler Centinel | 10 Jul 1821 | 3 | List of Letters | Butler | X |
| MAGOWAN, MRS. | Jane | 5 | Butler Intelligencer | 20 Mar 1841 | 3 | Female Managers | ||
| MAGUIRE | N. | 11 | East Brady Independent | 04 Mar 1871 | 2 | Official | ||
| MAHAFEEY | William | 11 | Butler County Citizen | 02 Sep 1874 | 2 | Advertisement | ||
| MAHAFFEE | Samuel | 2 | Butler Sentinel | 27 Feb 1830 | 2 | Sale of Unseated Lands | Buffalo Twp. | X |
| MAHAFFEY | Jennie | 13 | Parker City Daily | 17 Jan 1876 | 3 | Coal Stolen | ||
| MAHAFFEY | R. P. | 14 | Parker City Daily | 17 Jul 1876 | 3 | Visiting | Allegheny City | |
| MAHAGLEY | R. H. | 14 | Parker City Daily | 05 Sep 1876 | 3 | Building Rig | ||
| MAHAN | Charles | 1 | The Butler Sentinel | 14 Feb 1824 | 4 | Public Notice | Donegal Twp. | X |
| MAHAN | J. B. | 11 | Butler County Citizen | 03 Apr 1872 | 2 | News | ||
| MAHAN | John | 11 | Butler County Citizen | 18 Nov 1874 | 2 | Court | ||
| MAHAN | John B. | 14 | The Butler County Citizen | 19 Jan 1876 | 4 | Traverse Juror | Middlesex Twp | |
| MAHAN | John R. | 15 | Connoquenessing Valley News | 09 Apr 1891 | 2 | Court Notes | ||
| MAHAN | Mrs. John | 16 | The Democratic Herald | 26 Aug 1898 | 2 | Death Notice | Middlesex Twp | |
| MAHAN | Wallace | 2 | Butler Sentinel | 03 May 1828 | 3 | Mortgage | Mercer Twp. | |
| MAHARD | Alexander | 1 | The Butler Centinel | 06 Apr 1822 | 3 | List of Letters | Butler | X |
| MAHARD | James | 11 | Butler County Citizen | 14 Aug 1872 | 3 | Estate | ||
| MAHARD | John | 11 | Butler County Citizen | 14 Aug 1872 | 3 | Estate | ||
| MAHARG | J & J.E. | 10 | American Citizen | 21 Jun 1871 | 3 | Store burned | ||
| MAHARG | J. H. | 11 | Butler County Citizen | 08 May 1872 | 2 | Mercantile Appraisal | ||
| MAHARG | J. H. | 11 | Butler County Citizen | 15 May 1872 | 2 | Mercantile Appraisal | ||
| MAHARG | J. U. | 16 | The Democratic Herald | 24 Jun 1898 | 6 | Auditor's Report | Penn Twp | |
| MAHARG | James | 11 | Butler County Citizen | 21 Aug 1872 | 3 | Estate | ||
| MAHARG | James | 11 | Butler County Citizen | 28 Aug 1872 | 3 | Estate | ||
| MAHARG | James | 11 | Butler County Citizen | 04 Sep 1872 | 3 | Estate | ||
| MAHARG | James | 11 | Butler County Citizen | 02 Oct 1872 | 3 | Estate | ||
| MAHARG | James | 13 | Butler Eagle | 16 Aug 1876 | 3 | Annual Report | Penn Twp | |
| MAHARG | James | 14 | Connoquenessing Valley News | 17 Jun 1880 | 3 | Cutting Wood | Penn Twp | |
| MAHARG | John | 7 | The Democratic Herald | 15 Feb 1860 | 3 | Receipts & Expenditures | Penn Twp | |
| MAHARG | John | 8 | The Butler Union | 04 Mar 1863 | 4 | Receipts & Expenditures | Penn Twp | |
| MAHARG | John | 10 | American Citizen | 06 Dec 1871 | 3 | Death | ||
| MAHARG | John | 11 | Butler County Citizen | 21 Aug 1872 | 3 | Estate | ||
| MAHARG | John | 11 | Butler County Citizen | 28 Aug 1872 | 3 | Estate | ||
| MAHARG | John | 11 | The Democratic Herald | 08 Feb 1871 | 3 | Tax Collector | Penn | |
| MAHARG | John | 11 | Butler County Citizen | 04 Sep 1872 | 3 | Estate | ||
| MAHARG | John | 11 | Butler County Citizen | 11 Sep 1872 | 2 | Politics | ||
| MAHARG | John | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Estate | ||
| MAHARG | John | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Estate | ||
| MAHARG | John | 11 | Butler County Citizen | 10 Sep 1873 | 3 | Politics | ||
| MAHARG | John | 11 | Butler County Citizen | 02 Oct 1872 | 2 | Court | ||
| MAHARG | John | 11 | Butler County Citizen | 02 Oct 1872 | 3 | Estate | ||
| MAHARG | John | 16 | The Butler Citizen | 07 Jun 19OO | 3 | Visiting | Penn Twp | |
| MAHARG | John J. | 14 | The Butler Citizen | 16 Nov 1881 | 2 | Traverse Juror | Penn Twp | |
| MAHARG | N. S. | 8 | The Butler Union | 11 Jun 1861 | 3 | Sheriff's Sales | Franklin Twp | |
| MAHARG | Rebecca | 10 | American Citizen | 13 April 1870 | 2 | Died | ||
| MAHARG | Thomas | 8 | The Union Herald | 14 May 1862 | 3 | Treasurer's Sales | Donegal Twp | |
| MAHARG | Willie Brown | 10 | American Citizen | 13 April 1870 | 2 | Died | ||
| MAHARG | 11 | The Democratic Herald | 19 Apr 1871 | 2 | Official | |||
| MAHARY | J. E. | 9 | Democratic Herald | 29 Apr 1868 | 3 | Thieft | Penn | |
| MAHER | Daniel | 7 | The Democratic Herald | 10 Sep 1857 | 3 | Sept. Court Term | ||
| MAHER | Thos H. | 14 | The Democratic Herald | 22 Feb 1882 | 3 | List of Jurors | Buffalo Twp | |
| MAHER | Wm. | 8 | The Butler Union Herald | 17 Feb 1864 | 3 | Receipts & Expenditures | X | |
| MAHON | H. A. | 16 | Connoquenessing Valley News | 21 Dec 1899 | 1 | Jan. Trial List | ||
| MAHON | James | 2 | Butler Sentinel | 02 Dec 1826 | 1 | Stray Horse | ||
| MAHON | R. A. | 16 | Connoquenessing Valley News | 21 Dec 1899 | 1 | Jan. Trial List | ||
| MAHONEY | Jas. | 14 | Parker City Daily | 06 Sep 1876 | 3 | Race | Millerstown | |
| MAHONEY | Jeremiah | 11 | Butler County Citizen | 26 Jun 1872 | 4 | News | ||
| MAHONEY | Jeremiah | 11 | Butler County Citizen | 03 Jul 1872 | 2 | Advertisement | ||
| MAHONEY | Michael | 2 | Butler Sentinel | 27 Feb 1830 | 2 | Sale of Unseated Lands | Donegal Twp | |
| MAHONEY | Scott | 14 | Parker City Daily | 23 Jun 1876 | 3 | Left for Centennial | Kittanning | |
| MAHONRY | Jeremiah | 11 | Butler County Citizen | 05 Jun 1872 | 4 | Notice | ||
| MAHOOD | Adam | 1 | The Butler Centinel | 10 Jul 1821 | 3 | List of Letters | Butler | X |
| MAHOOD | Adam | 8 | The Union Herald | 02 Dec 1863 | 3 | Sheriff's Sales | Penn Twp | X |
| MAHOOD | Alexander | 1 | The Butler Centinel | 07 Oct 1820 | 3 | List of Letters | Butler | X |
| MAHOOD | Alexander | 8 | The Union Herald | 02 Dec 1863 | 3 | Sheriff's Sales | Penn Twp | X |
| MAHOOD | Alexander | 11 | Butler County Citizen | 02 Sep 1874 | 2 | Court | ||
| MAHOOD | Aslam H. | 8 | The Union Herald | 10 Sep 1864 | 4 | Writ of Partition | Penn Twp | |
| MAHOOD | G. | 7 | The Democratic Herald | 01 Sep 1858 | 3 | List of Jurors | Concord Twp | |
| MAHOOD | George | 8 | The Butler Union Herald | 17 Feb 1864 | 3 | Grand Jury | Concord Twp | |
| MAHOOD | J. A. | 8 | The Democratic Herald | 07 Aug 1861 | 2 | Military Company | North Washington | |
| MAHOOD | James | 2 | Butler Sentinel | 25 Feb 1826 | 1 | Debts due to Butler Co. | Parker Twp. | |
| MAHOOD | James G. | 8 | The Union Herald | 10 Sep 1864 | 4 | Writ of Partition | Penn Twp | |
| MAHOOD | John | 8 | The Butler Union | 18 Jun 1861 | 2 | Admitted to Bar | ||
| MAHOOD | Joseph | 9 | Democratic Herald | 22 Jul 1868 | 3 | New House | Concord | |
| MAHOOD | Joseph C. | 11 | Butler County Citizen | 10 Sep 1873 | 2 | Court | ||
| MAHOOD | Margaret | 14 | Connoquenessing Valley News | 18 Sep 1879 | 2 | Orphans' Court | Penn Twp | |
| MAHOOD | Robert | 8 | The Butler Union | 16 Jul 1861 | 2 | Union Convention | Franklin Twp | |
| MAHOON | William | 16 | The Democratic Herald | 13 May 1898 | 1 | Enlisted | ||
| MAIDEN | John | 1 | The Butler Centinel | 11 Sep 1821 | 3 | Notice | ||
| MAIDEN | John | 2 | Butler Sentinel | 16 Sep 1826 | 2 | Sheriff's Sales | Muddy Creek Twp. | |
| MAIDEN | Mary | 1 | The Butler Centinel | 11 Sep 1821 | 3 | Notice | ||
| MAIDEN | Mary | 2 | Butler Sentinel | 16 Sep 1826 | 2 | Sheriff's Sales | Muddy Creek Twp. | |
| MAIER | George Frederick | 15 | Connoquenessing Valley News | 31 Jul 1890 | 3 | Death Notice | Harmony | |
| MAIER | John | 15 | Connoquenessing Valley News | 31 Jul 1890 | 3 | Death Notice | Harmony | |
| MAIER | Mary | 15 | Connoquenessing Valley News | 31 Jul 1890 | 3 | Death Notice | Harmony | |
| MAILS | L. | 1 | The Butler Centinel | 20 Feb 1821 | 3 | List of Causes | X | |
| MAILS | Lydia | 1 | The Butler Centinel | 18 Nov 1820 | 2 | List of Causes | X | |
| MAILS | Saml. | 1 | The Butler Centinel | 20 Feb 1821 | 3 | List of Causes | X | |
| MAILS | Samuel | 1 | The Butler Centinel | 18 Nov 1820 | 2 | List of Causes | X | |
| MAILS | William | 2 | Butler Sentinel | 28 Feb 1829 | 1 | Sheriff's Sale | Mercer Twp | X |
| MAIN STREET UPGRADE | 6 | Democratic Herald | 22 Mar 1854 | 2 | West Connoquenissing Township | |||
| MAINES | Samuel | 2 | Butler Sentinel | 25 Mar 1826 | Sheriff's Land Sales | |||
| MAIR | Jennie | 13 | Parker City Daily | 19 Jan 1876 | 3 | First Ward School | X | |
| MAIR | Laura P. | 13 | Parker City Daily | 07 Oct 1875 | 3 | Marriage | Parker City | |
| MAIR | W. H. | 14 | Parker City Daily | 10 Jul 1876 | 3 | Advertisement | ||
| MAIRE | August | 16 | The Butler Citizen | 07 Jun 19OO | 3 | Legal News | ||
| MAIXLAND | John | 14 | The Butler Citizen | 18 Apr 1883 | 3 | Court Proceedings | ||
| MAIZE | Daniel | 1 | The Butler Sentinel | 09 Apr 1825 | 3 | Apprentice Wanted | ||
| MAIZLAND | George | 14 | Butler Citizen | 14 May 1879 | 3 | Register's Notice | Clinton Twp | X |
| MAIZLAND | George J. | 14 | Butler Citizen | 14 May 1879 | 1 | Boarding | Clinton Twp | |
| MAIZLAND | John | 14 | Butler Citizen | 14 May 1879 | 1 | Road Tax | Clinton Twp | X |
| MAIZLAND | John | 14 | The Butler Citizen | 16 Nov 1881 | 3 | Sheriff's Sales | Jefferson Twp | X |
| MAKINNEY | Robert | 7 | The Democratic Herald | 09 Jan 1856 | 4 | Unclaimed Mail | ||
| MALAH | J. | 11 | Butler County Citizen | 07 Jan 1874 | 2 | Notice | ||
| MALARKY | John | 8 | The Union Herald | 19 Apr 1865 | 3 | Fire | Jefferson Twp | |
| MALCAM | Henry | 2 | Butler Sentinel | 05 Jul 1828 | 3 | Mail at Post Office | Centreville | X |
| MALCOLM | George S. | 11 | Butler County Citizen | 18 Nov 1874 | 2 | Politics | ||
| MALEAN | Henry | 2 | Butler Sentinel | 02 Aug 1828 | 4 | Mail at Post Office | Centreville | |
| MALES | James B., Esq | 16 | The Democratic Herald | 02 Dec 1898 | 2 | Appointed | ||
| MALES | William | 9 | Democratic Herald | 27 Nov 1867 | 3 | Accident | Washington | |
| MALES | William | 16 | Millerstown Herald | 09 Jun 1899 | 8 | Honor Roll | Rattigan | |
| MALEY | Patrick | 14 | Butler Citizen | 14 May 1879 | 2 | Sheriff's Sale | Allegheny Twp | X |
| Maley, Esq. | Michael | 14 | Parker City Daily | 12 Jul 1876 | 3 | Prosecutor | ||
| MALHEIRO | Lourence | 14 | Parker City Daily | 13 Jul 1876 | 3 | Guest of Railroad | Portugal | |
| M'ALISTER | Archibald | 1 | The Butler Sentinel | 12 Feb 1825 | 3 | Death Notice | Connoquenessing Twp. | |
| M'ALISTER | Nelson | 8 | The Butler Union Herald | 13 Apr 1864 | 3 | Court Proceedings | ||
| M'ALLEN | Abner | 13 | The Butler County Citizen | 20 Oct 1875 | 3 | Farm for Sale | Cherry Twp | |
| M'ALLEN | Abner | 14 | The Butler County Citizen | 19 Jan 1876 | 1 | Farm for Sale | ||
| MALLISSEE | Wm. H. | 14 | The Orphan's Messenger | 01 Jan 1879 | 3 | Marriage | Allegheny County | |
| M'ALLISTER | Bernard | 7 | The Democratic Herald | 10 Sep 1857 | 3 | Sept. Court Term | ||
| M'ALLISTER | David H. | 8 | The Butler Union | 13 Aug 1861 | 3 | Marriage | ||
| M'ALLISTER | James | 8 | The Union Herald | 27 Aug 1862 | 4 | Administrator's Notice | Donegal Twp | |
| M'ALLISTER | John | 1 | The Tree of Liberty | 29 Jul 1806 | 4 | List of Causes | Court of Common Pleas | X |
| M'ALLISTER | Mary | 1 | The Butler Sentinel | 12 Feb 1825 | 3 | List of Causes | X | |
| M'ALLISTER | Nelson | 7 | The Democratic Herald | 26 Jan 1859 | 3 | Receipts & Expenditures | ||
| M'ALLISTER | Sarah | 8 | The Union Herald | 27 Aug 1862 | 4 | Administrator's Notice | Donegal Twp | |
| MALLON | John | 1 | The Butler Centinel | 06 Jul 1822 | 3 | List of Letters | Butler | X |
| MALLOT | Miss C. | 14 | Connoquenessing Valley News | 09 Jan 1879 | 3 | Marriage | Cranberry Twp | |
| MALONE | George | 12 | Parker City Daily | 13 Mar 1875 | 3 | Interest | ||
| MALONE | Sarah M. | 11 | East Brady Independent | 04 Mar 1871 | 4 | Marriage Notice | ||
| MALONEY | Catharine | 1 | The Butler Centinel | 07 Oct 1820 | 3 | List of Letters | Butler | X |
| MALONEY | Daniel | 14 | Connoquenessing Valley News | 16 Oct 1878 | 4 | Advertisement | East Brady | |
| MALONEY | Frankie | 13 | Parker City Daily | 04 Mar 1876 | 3 | Tardy | Karns City | |
| MALONEY | Jeremiah | 9 | Union Herald | 25 Jul 1866 | 3 | Estate Sale | Donegal | |
| MALONEY | Jeremiah | 11 | Butler County Citizen | 29 May 1872 | 2 | Notice | ||
| MALONEY | Jeremiah | 11 | Butler County Citizen | 12 Jun 1872 | 2 | Notice | ||
| MALONEY | Jeremiah | 11 | Butler County Citizen | 22 May 1872 | 2 | Advertisement | ||
| MALONEY | Jerry | 14 | The Butler Citizen | 16 Nov 1881 | 3 | Sheriff's Sales | Donegal Twp | |
| MALONEY | John W. | 16 | The Democratic Herald | 04 Feb 1898 | 5 | Death Notice | Butler | |
| MALONEY | Maggie | 13 | Parker City Daily | 12 Jan 1876 | 3 | Honor Roll | Karns City | X |
| MALONEY | Michael | 9 | Union Herald | 25 Jul 1866 | 3 | Estate Sale | Donegal | |
| MALONEY | Michael | 16 | The Democratic Herald | 12 Aug 1898 | 2 | Jury List | Donegal Twp | |
| MALONEY | Mrs. | 13 | Parker City Daily | 27 Oct 1875 | 3 | Fainted | Oil City | |
| MALONEY | Rose | 13 | Parker City Daily | 12 Jan 1876 | 3 | Honor Roll | Karns City | X |
| MALONEY, HEIRS | Daniel | 9 | Union Herald | 25 Jul 1866 | 3 | Estate Sale | Donegal | |
| MALONY | Mrs. John | 16 | The Democratic Herald | 26 Aug 1898 | 3 | Fire | Butler | |
| MALOY | J. D. | 14 | Parker City Daily | 17 Jul 1876 | 3 | Indisposed | Emlenton | |
| MALOY | J. S. | 14 | Parker City Daily | 28 Jul 1876 | 3 | Happy Man | Emlenton | |
| MALOY | John | 12 | Parker City Daily | 13 Mar 1875 | 1 | Advertisement | ||
| MALTBY | Albert E. | 16 | The Democratic Herald | 01 Apr 1898 | 6 | Principal | Slippery Rock | |
| MALTBY | 11 | Butler County Citizen | 11 Sep 1872 | 2 | Letter | Rev Dr | ||
| MALTISHER | Wm. | 10 | American Citizen | 01 Feb 1870 | 2 | Escapes death | ||
| M'ALVIN | Wm. | 5 | Butler Intelligencer | 28 Jul 1841 | 2 | Political | Parker | |
| MAN | Philip | 7 | The Democratic Herald | 18 Feb 1857 | 2 | Receipts & Expenditures | Harmony | X |
| M'ANALLEN | Jas. | 7 | The Democratic Herald | 09 Jan 1856 | 4 | January 1856 Court Term | ||
| M'ANALLEN | Joseph | 9 | American Citizen | 03 Nov 1869 | 3 | Court | ||
| M'ANALLEN | Thomas B. | 8 | The Union Herald | 23 Dec 1863 | 3 | Court Proceedings | ||
| M'ANALLEY | Patrick | 2 | Butler Sentinel | 14 Jun 1828 | 3 | Sheriff's Sales | Mercer Twp | |
| M'ANALLY | Patrick | 1 | The Butler Sentinel | 05 Oct 1822 | 3 | List of Letters | Butler | X | <