| SURNAME | GIVEN NAME | CD # | NEWSPAPER | DATE | PAGE | SUBJECT | NOTES | MP |
| SIBERBERG | H. | 14 | Parker City Daily | 08 Jul 1876 | 3 | Marriage | Titusville | |
| SIBLEY | J. C. | 14 | Parker City Daily | 13 Sep 1876 | 3 | Manager | Franklin | |
| SIBOLE | Rev. E. E. | 13 | The Lutheran & Missionary | 08 Jul 1875 | 3 | Church Directory | ||
| SICKLES | Daniel E. | 7 | The Democratic Herald | 20 Jul 1859 | 2 | Reconciled | ||
| SIDER | John | 1 | The Butler Centinel | 03 Apr 1821 | 3 | List of Letters | Butler | |
| SIDLER | H. A. | 15 | Connoquenessing Valley News | 21 May 1891 | 3 | Property Transfer | Butler | |
| SIDLER | Solomon | 7 | The Missionary | 23 Jun 1859 | 1 | Contribution | ||
| SIDNEY | A. | 1 | The Butler Sentinel | 05 Feb 1825 | 3 | Notice | ||
| SIEBERT | Christian | 9 | Union Herald | 19 Dec 1866 | 3 | Farm Sale | Butler | X |
| SIEBERT | Christian | 9 | Union Herald | 09 Jan 1867 | 4 | Sale of Farm | Butler | |
| SIEBERT | Frederick | 10 | American Citizen | 25 Oct 1871 | 3 | Acquitted of charges | ||
| SIEBERT | Kit | 16 | The Democratic Herald | 19 Aug 1898 | 5 | Visiting | ||
| SIEBERT | Mrs. Lavina | 14 | The Orphan's Messenger | 01 Jan 1879 | 3 | Donation | Millerstown | |
| SIEBERT | Reuben | 11 | Butler County Citizen | 15 May 1872 | 2 | Court | ||
| SIEBERT | Reuben | 11 | Butler County Citizen | 22 May 1872 | 2 | Court | ||
| SIEBERT | Reuben | 11 | Butler County Citizen | 29 May 1872 | 2 | Court | ||
| SIEBERT | William | 11 | Butler County Citizen | 15 May 1872 | 3 | Notice | ||
| SIEBERT | William | 11 | Butler County Citizen | 29 May 1872 | 3 | News | ||
| SIEBERT | William | 11 | Butler County Citizen | 28 Aug 1872 | 2 | Advertisement | ||
| SIEBERT | William | 11 | Butler County Citizen | 04 Sep 1872 | 2 | Notice | ||
| SIEBERT | William | 11 | Butler County Citizen | 11 Sep 1872 | 4 | Advertisement | ||
| SIEBERT | William | 11 | Butler County Citizen | 18 Sep 1872 | 4 | Advertisement | ||
| SIEBERT | William | 16 | The Democratic Herald | 02 Sep 1898 | 1 | Bridge Inspector | Connoquenessing Twp | |
| SIEBLEY | Thomas | 7 | The Democratic Herald | 10 Jun 1857 | 3 | Vendors | ||
| SIEDEL | Albert | 15 | Connoquenessing Valley News | 25 Jul 1889 | 3 | Visiting | ||
| SIEDEL | Miss Mamie | 15 | Connoquenessing Valley News | 11 Sep 1890 | 3 | Returned Home | ||
| SIEG | John | 13 | The Butler County Citizen | 20 Oct 1875 | 3 | Republican Committees | Lancaster Twp | |
| SIEG | John | 14 | Connoquenessing Valley News | 29 Jan 1880 | 3 | President | Zelienople | |
| SIEGEL | Emanuel | 13 | Parker City Daily | 09 Feb 1876 | 3 | Taking over Business | ||
| SIEGEL | J. | 13 | Parker City Daily | 17 Sep 1875 | 1 | Advertisement | Millerstown | X |
| SIEGFRIED | Charles | 7 | The Democratic Herald | 19 Apr 1856 | 3 | Estate Administrator | Cherry Twp | |
| SIEGFRIED | Daniel | 9 | Democratic Herald | 06 Jan 1869 | 4 | Marriage | Prospect | |
| SIEGFRIED | Daniel | 10 | American Citizen | 06 Dec 1871 | 2 | Died | X | |
| SIEGWARTH | Irene | 16 | The Democratic Herald | 15 Apr 1898 | 1 | Death Notice | ||
| SIEGWARTH | Mary | 16 | The Democratic Herald | 15 Apr 1898 | 1 | Deceased | ||
| SIEGWARTH | Philip | 16 | The Democratic Herald | 15 Apr 1898 | 1 | Father | ||
| SIEGWORTH | Mrs Mary Spingler | 16 | The Democratic Herald | 08 Apr 1898 | 1 | Death Notice | ||
| SIEPPY | George | 11 | American Citizen | 21 Feb 1872 | 2 | Court Notice | ||
| SIFTON | Henry | 2 | Butler Sentinel | 10 Feb 1827 | 3 | Adminstrator of Estate | Middlesex Twp. | |
| SIGGAUS | P. V. | 11 | Butler County Citizen | 04 Sep 1872 | 2 | Court | ||
| SIGGAUS | P. V. | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Court | ||
| SIGGENS | W. Y. | 16 | Connoquenessing Valley News | 28 Nov 1899 | 1 | Sick List | Harmony | |
| SIGGINS | John | 14 | The Butler County Citizen | 19 Jan 1876 | 4 | List of Causes | ||
| SIGGINS | S. W. | 13 | Millerstown Review | 03 Aug 1876 | 3 | Honor Roll | Karns | |
| SIGLAR | John | 1 | The Butler Centinel | 23 Jan. 1821 | 3 | List of Letters | Harmony | X |
| SIGLER | J. A. | 14 | Parker City Daily | 22 Jun 1876 | 3 | Strange Occurrence | ||
| SIKES | H. V. | 14 | Parker City Daily | 04 Sep 1876 | 3 | Donation | ||
| SIKES | R. M. | 16 | Connoquenessing Valley News | 03 Jul 1896 | 5 | Marriage | Zelienople | |
| SIKES | Samuel | 11 | American Citizen | 17 Jan 1872 | 3 | Advertisement | ||
| SIKES | Samuel | 11 | American Citizen | 24 Jan 1872 | 3 | Advertisement | ||
| SILL | Conrad | 16 | The Democratic Herald | 19 Aug 1898 | 3 | Wedding Guest | ||
| SILL | John | 2 | The Repository | 23 July 1836 | 4 | Unclaimed Letter | Butler Borough | |
| SILL | John | 16 | The Democratic Herald | 19 Aug 1898 | 3 | Wedding Guest | ||
| SILL | Nat | 14 | Parker City Daily | 08 Jun 1876 | 3 | Farm Leased | Warren | |
| SILLIVAN | E. B. | 16 | Connoquenessing Valley News | 03 Jul 1896 | 3 | Real Estate Transfers | Karns City | |
| SILLS | Adam | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Winfield Twp | |
| SILVA | 11 | East Brady Independent | 04 Mar 1871 | 3 | Crime | Mrs | ||
| SILVER | W. M. | 9 | Democratic Herald | 14 Aug 1867 | 4 | Estate | Harmony | |
| SILVERMAN | Charles | 11 | Butler County Citizen | 17 Jul 1872 | 2 | Politics | ||
| SILVERS | G. M. | 15 | Connoquenessing Valley News | 11 Jul 1889 | 3 | Dissolution Notice | Evans City | X |
| SILVERS | Simon | 8 | The Union Herald | 20 Aug 1862 | 2 | Wounded | ||
| SIMCOX | Jennie | 16 | Connoquenessing Valley News | 21 Dec 1899 | 1 | Jan. Trial List | ||
| SIMERS | Joseph | 1 | The Butler Centinel | 02 Jan 1821 | 2 | List of Letters | Butler | |
| SIMINGTON | Tom | 13 | Parker City Daily | 15 Dec 1875 | 3 | Oil Well | Greece City | |
| SIMMERS | Jacob | 14 | The Democratic Herald | 22 Feb 1882 | 3 | Tax Collector | Buffalo Twp | X |
| SIMMERS | James | 8 | The Union Herald | 01 Mar 1865 | 3 | Receipts & Expenditures | Winfield Twp | X |
| SIMMERS | James | 11 | American Citizen | 31 Jan 1872 | 2 | Official | ||
| SIMMERS | James | 11 | American Citizen | 14 Feb 1872 | 3 | Official | ||
| SIMMERS | James | 11 | American Citizen | 21 Feb 1872 | 2 | Court Notice | ||
| SIMMERS | James | 11 | American Citizen | 21 Feb 1872 | 3 | Official | ||
| SIMMERS | James | 11 | American Citizen | 28 Feb 1872 | 3 | Court | ||
| SIMMERS | James | 11 | Butler County Citizen | 08 May 1872 | 3 | Collector | ||
| SIMMERS | James | 11 | Butler County Citizen | 02 Oct 1872 | 3 | Court | ||
| SIMMERS | Jason | 11 | Butler County Citizen | 15 May 1872 | 2 | Court | ||
| SIMMERS | Jason | 11 | Butler County Citizen | 22 May 1872 | 2 | Court | ||
| SIMMERS | Jason | 11 | Butler County Citizen | 29 May 1872 | 2 | Court | ||
| SIMMERS | Joseph | 1 | The Butler Centinel | 07 Oct 1820 | 3 | List of Letters | Butler | X |
| SIMMO | Swift | 16 | The Democratic Herald | 11 Nov 1898 | 2 | Jailed | ||
| SIMMONDS | Miss Elsie | 16 | The Democratic Herald | 12 Aug 1898 | 3 | Unclaimed Mail | ||
| SIMMONS | A. H. | 13 | Parker City Daily | 16 Oct 1875 | 3 | Advertisement | X | |
| SIMMONS | Asa | 1 | The Butler Centinel | 06 Apr 1822 | 3 | List of Letters | Butler | X |
| SIMMONS | Eddie | 13 | Parker City Daily | 11 Feb 1876 | 3 | Sold Residence | Oil City | |
| SIMMONS | James | 8 | The Union Herald | 06 Sep 1865 | 3 | Grand Jury | Winfield Twp | |
| SIMMONS | James | 11 | American Citizen | 07 Feb 1872 | 3 | Official | ||
| SIMMONS | John | 14 | Connoquenessing Valley News | 17 Jun 1880 | 3 | Left Town | Poverty Hollow | |
| SIMMONS | Jos. R. | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Winfield Twp | |
| SIMMONS | Stephen | 1 | The Butler Democrat | 11 Oct 1813 | 3 | List of Letters | Butler | X |
| SIMMONS | T. D. | 14 | Connoquenessing Valley News | 27 Mar 1879 | 2 | Rented Hotel | Prospect | X |
| SIMON | Peter | 1 | The Butler Centinel | 26 Jan 1822 | 1 | Public Notice | Donegal Twp. | X |
| Simon | Abraham | 14 | Parker City Daily | 27 May 1876 | 3 | Trial List | ||
| SIMOND | J. H. | 11 | Butler County Citizen | 18 Nov 1874 | 2 | Politics | ||
| SIMONDS | J. H. | 11 | Butler County Citizen | 02 Sep 1874 | 4 | Advertisement | ||
| SIMONDS | Jo H. | 14 | Parker City Daily | 28 Apr 1876 | 3 | Notice | Millerstown | X |
| SIMONDS | JO. H. | 12 | Parker City Daily | 13 Mar 1875 | 1 | Notice | ||
| SIMONDS | Jo. H. | 13 | Parker City Daily | 16 Sep 1875 | 1 | Notice | Millerstown | X |
| SIMONDS | Jo. H. | 13 | The Butler County Citizen | 20 Oct 1875 | 3 | Republican Committees | Donegal Twp | |
| SIMONDS | Joseph H. | 13 | Parker City Daily | 19 Oct 1875 | 3 | Attended Wedding | Millerstown | |
| SIMONEL | Mary | 16 | Connoquenessing Valley News | 21 Dec 1899 | 1 | Marriage License | Butler | |
| SIMONEL | Pvt. Emil | 16 | The Democratic Herald | 29 Apr 1898 | 1 | Off to War | ||
| SIMONS | George | 14 | Parker City Daily | 08 Aug 1876 | 3 | Ill | ||
| SIMONTON | John W. | 14 | The Butler Citizen | 16 Nov 1881 | 3 | Judges Elected | ||
| SIMPKINS | Mr. | 13 | Parker City Daily | 17 Jan 1876 | 3 | Fire | ||
| SIMPLE | James | 11 | American Citizen | 21 Feb 1872 | 1 | Official | ||
| SIMPSON | A. | 13 | Parker City Daily | 02 Mar 1876 | 3 | Advertisement | Karns City | |
| SIMPSON | A. H. | 13 | Parker City Daily | 20 Nov 1875 | 3 | Adultery Charge | Millerstown | X |
| SIMPSON | A. H. | 14 | Parker City Daily | 20 Jun 1876 | 3 | Advertisement | Millerstown | X |
| SIMPSON | A. H. | 14 | Karns City Telephone | 17 Sep 1881 | 2 | Officer | Karns City | |
| SIMPSON | A. J. | 8 | The Union Herald | 30 Jul 1862 | 3 | Mass Meeting | Oakland Twp | |
| SIMPSON | A. J. | 15 | Connoquenessing Valley News | 14 Aug 1884 | 2 | Jury List | Venango Twp. | |
| SIMPSON | Alex | 7 | The Democratic Herald | 23 Jul 1856 | 3 | Fair Committee | Oakland Twp | X |
| SIMPSON | Alex. H. | 14 | Parker City Daily | 24 Jun 1876 | 3 | Birthday | Millerstown | |
| SIMPSON | Alexander | 9 | Democratic Herald | 12 Feb 1868 | 3 | Accident | North Oakland | |
| SIMPSON | Alexander | 11 | Butler County Citizen | 18 Nov 1874 | 2 | Politics | ||
| SIMPSON | Alick | 13 | Parker City Daily | 19 Apr 1876 | 3 | Advertisement | Millerstown | |
| SIMPSON | Andrew | 6 | Democratic Herald | 08 Feb 1851 | 4 | Commissioner | Butler County | |
| SIMPSON | Andy | 14 | Karns City Telephone | 17 Sep 1881 | 3 | Purchased Business | Oil City | |
| SIMPSON | Bessie R. | 16 | The Democratic Herald | 27 May 1898 | 1 | Public School Graduate | ||
| SIMPSON | Elmira J. | 8 | The Butler Union | 07 May 1861 | 1 | Evansburg Band | Petersburg | X |
| SIMPSON | H. H. | 14 | Parker City Daily | 07 Jul 1876 | 3 | Large Stock | Millerstown | |
| SIMPSON | Harry | 14 | Parker City Daily | 08 Jun 1876 | 3 | Resolution | Karns City | X |
| SIMPSON | Isaac | 14 | Connoquenessing Valley News | 11 Sep 1879 | 3 | Died | Armstrong County | |
| SIMPSON | Israel | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Winfield Twp | |
| SIMPSON | J. A. | 13 | Parker City Daily | 02 Dec 1875 | 3 | Lost Horse | Millerstown | X |
| SIMPSON | J. A. | 14 | Parker City Daily | 09 May 1876 | 3 | Furnishing Lumber | Millerstown | X |
| SIMPSON | J., Jr. | 4 | Butler Intelligencer | 16 May 1840 | 2 | List of Causes | ||
| SIMPSON | James | 1 | The Butler Democrat | 01 Nov 1813 | 2 | List of Causes | X | |
| SIMPSON | James | 1 | The Butler Sentinel | 04 Sep 1824 | 3 | Marriage | Mercer Co. | |
| SIMPSON | James | 1 | The Butler Sentinel | 11 Sep 1824 | 3 | Sheriff's Sale | Venango Twp. | X |
| SIMPSON | James | 2 | Butler Sentinel | 05 Jan 1828 | 3 | Sheriff's Sales | Parker Twp. | |
| SIMPSON | John | 1 | The Butler Centinel | 26 Jan 1822 | 1 | Public Notice | Clearfield Twp. | X |
| SIMPSON | Julia A. | 11 | The Democratic Herald | 10 May 1871 | 2 | Court Notice | ||
| SIMPSON | Julia A. | 11 | The Democratic Herald | 21 Jun 1871 | 2 | Trial | ||
| SIMPSON | Kittie | 16 | The Democratic Herald | 11 Mar 1898 | 10 | Adoption | ||
| SIMPSON | Leona | 16 | Zelienople News | 30 Nov 1892 | 3 | Marriage License | Penn Twp | |
| SIMPSON | Miss Nellie | 16 | Millerstown Herald | 09 Jun 1899 | 1 | Returned Home | ||
| SIMPSON | Mrs. A. H. | 16 | Millerstown Herald | 09 Jun 1899 | 1 | Returned Home | ||
| SIMPSON | Mrs. A. J. | 8 | The Union Herald | 06 Sep 1865 | 3 | Corn Stalk | Oakland Twp | |
| SIMPSON | Oliver | 16 | The Democratic Herald | 11 Mar 1898 | 10 | Adoption | ||
| SIMPSON | T. B. | 13 | Parker City Daily | 05 Jan 1876 | 3 | Parker City Improvements | ||
| SIMPSON | T. W. | 13 | Parker City Daily | 13 Jan 1876 | 3 | Court Session | ||
| SIMPSON | Thomas | 1 | The Butler Sentinel | 11 Sep 1824 | 3 | Sheriff's Sale | Venango Twp. | X |
| SIMPSON | Thomas | 1 | The Butler Sentinel | 02 Oct 1824 | 3 | Marriage | Parker Twp. | |
| SIMPSON | Thomas | 5 | Butler Intelligencer | 25 May 1841 | 3 | Registers Notice | Parker | |
| SIMPSON | Thomas | 14 | Parker City Daily | 04 May 1876 | 3 | Parker Oil Exchange | ||
| SIMPSON | Thomas B. | 13 | Parker City Daily | 11 Oct 1875 | 3 | Rules & Regulations | ||
| SIMPSON | Thomas B. | 14 | Parker City Daily | 30 May 1876 | 3 | Oil Exchange | ||
| SIMPSON | Thomas R. | 14 | Parker City Daily | 21 Jun 1876 | 3 | Oil Exchange | ||
| SIMPSON | Thos. B. | 13 | Parker City Daily | 10 Mar 1876 | 3 | Oil Exchange | ||
| SIMPSON | Thos. B. | 14 | Parker City Daily | 04 Sep 1876 | 3 | Donation | ||
| SIMPSON | William | 2 | Butler Sentinel | 10 Mar 1827 | 3 | Commissioner's Sale | Parker Twp. | X |
| SIMPSON | William | 2 | Butler Sentinel | 27 Feb 1830 | 2 | Sale of Unseated Lands | Parker Twp. | |
| SIMPSON | Alexander | 9 | Democratic Herald | 12 Feb 1868 | 3 | Sheriff's Sale | Oakland | |
| Simpson, Esq. | Tommy | 13 | Parker City Daily | 03 Jan 1876 | 3 | Birthday | ||
| SINAMONWICKI | John | 14 | Connoquenessing Valley News | 17 Jul 1879 | 3 | Injured | ||
| SINCLAIR | John | 1 | The Butler Centinel | 13 Apr 1822 | 3 | Marriage | Centre Twp. | |
| SINCLAIR | Miss Mary | 1 | The Butler Sentinel | 9 Nov 1822 | 3 | Marriage | Centre Twp. | |
| SINCLAIR | Rachael | 8 | The Union Herald | 04 Nov 1863 | 3 | Marriage | Butler Twp | |
| SINCLAIR | Robt. | 14 | Parker City Daily | 23 Jun 1876 | 3 | Found Injured Man | ||
| SINCOX | S. R. | 13 | The Butler County Citizen | 20 Oct 1875 | 3 | Republican Committees | Karns | |
| SINE | L. D. | 11 | American Citizen | 10 Jan 1872 | 5 | Advertisement | ||
| SINE | L. D. | 11 | American Citizen | 17 Jan 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | American Citizen | 07 Feb 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | American Citizen | 21 Feb 1872 | 2 | Advertisement | ||
| SINE | L. D. | 11 | American Citizen | 28 Feb 1872 | 5 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 13 Mar 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 20 Mar 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 27 Mar 1872 | 3 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 03 Apr 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 10 Apr 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 17 Apr 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 24 Apr 1872 | 2 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 01 May 1872 | 2 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 08 May 1872 | 4 | Advertisement | ||
| SINE | L. D. | 11 | Butler County Citizen | 15 May 1872 | 4 | Advertisment | ||
| SINE | L. D. | 11 | Butler County Citizen | 22 May 1872 | 4 | Advertisement | X | |
| SING | Don | 13 | Parker City Daily | 28 Jan 1876 | 3 | Report | ||
| SING | Dong | 13 | Parker City Daily | 18 Jan 1876 | 3 | Advertisement | ||
| SINGER | Geo. W. | 8 | The Butler Union | 07 May 1861 | 1 | Evansburg Band | Petersburg | |
| SINGER | Hiram | 8 | The Butler Union | 07 May 1861 | 1 | Evansburg Band | Petersburg | |
| Singer | J. A. | 8 | The Democratic Herald | 24 Apr 1861 | 2 | Volunteer | ||
| SINGERLY | Benjamin | 11 | Butler County Citizen | 05 Jun 1872 | 2 | Advertisement | ||
| SINGERLY | Benjamin | 14 | Parker City Daily | 11 Jul 1876 | 3 | Sun Stroke | ||
| SINGLAND | Henry | 14 | Connoquenessing Valley News | 27 Feb 1879 | 3 | Child Died | ||
| SINGLETON | John | 1 | The Butler Centinel | 26 Jan 1822 | 1 | Public Notice | Muddycreek Twp. | X |
| SINGLETON | John | 1 | The Butler Sentinel | 14 Feb 1824 | 4 | Public Notice | Muddycreek Twp. | X |
| SINK | John | 13 | Parker City Daily | 17 Mar 1876 | 3 | Opening Hotel | Petrolia | X |
| SINK | John | 14 | Parker City Daily | 25 Jul 1876 | 3 | Proprietor | Petrolia | |
| SINKHORN | G. W. | 14 | The Butler Citizen | 16 Nov 1881 | 3 | Trial List | ||
| SINKHORN | Martin | 14 | The Butler Citizen | 16 Nov 1881 | 3 | Sheriff's Sales | Forward Twp | |
| SINKS EUROPEAN HOTEL | 12 | Parker City Daily | 13 Mar 1875 | 1 | Advertisement | |||
| SINN | John | 14 | Parker City Daily | 13 May 1876 | 3 | Wanted | Petrolia | |
| SINZ | R. | 11 | Butler County Citizen | 10 Sep 1873 | 6 | Advertisement | ||
| SINZ | Rinehart | 9 | Democratic Herald | 25 Sep 1867 | 2 | Advertisement | Butler | X |
| SIPE | J. Adam | 11 | Butler County Citizen | 13 Mar 1872 | 2 | Estate | ||
| SIPE | J. Adam | 11 | Butler County Citizen | 20 Mar 1872 | 3 | Estate | ||
| SIPE | J. Adam | 11 | Butler County Citizen | 27 Mar 1872 | 3 | Estate | ||
| SIPE | J. Adam | 11 | Butler County Citizen | 03 Apr 1872 | 3 | Estate | ||
| SIPE | J. Adam | 11 | Butler County Citizen | 10 Apr 1872 | 4 | Estate | ||
| SIPE | J. Adam | 11 | Butler County Citizen | 17 Apr 1872 | 4 | Estate | ||
| SIPE | Jacob | 7 | The Missionary | 23 Jun 1859 | 2 | Contribution | ||
| SIPE | John | 7 | The Missionary | 23 Jun 1859 | 2 | Contribution | ||
| SIPE | John | 16 | The Democratic Herald | 29 Jul 1898 | 2 | Will | Clearfield Twp | |
| SIPES | Charles | 13 | Parker City Daily | 12 Oct 1875 | 3 | Possession of Musket | N. Buffalo Twp., Armstrong Co. | |
| SIPES | George | 15 | Semi-Monthly | 03 Apr 1884 | 2 | Roll of Honor | ||
| SIPES | Ira | 11 | American Citizen | 14 Feb 1872 | 2 | Marriage | ||
| SIPES | John | 13 | Parker City Daily | 29 Feb 1876 | 3 | Court Proceedings | ||
| SIPLER | Charles | 14 | Parker City Daily | 19 May 1876 | 3 | Townsman | St. Petersburg | |
| SIPLER | W. A. | 13 | Parker City Daily | 10 Nov 1875 | 3 | New Members | ||
| SIPPLE | Christanna | 9 | American Citizen | 02 Jun 1869 | 2 | Marriage | Saxonburg | |
| SIPPY | John | 7 | The Democratic Herald | 19 May 1858 | 2 | Writ of Partition | ||
| SIPPY | Mary Jane Means | 7 | The Democratic Herald | 19 May 1858 | 2 | Writ of Partition | ||
| SIRGE | Katie Irene | 15 | Connoquenessing Valley News | 20 Mar 1890 | 3 | Death Notice | ||
| SIRWELL | Col. William | 13 | Parker City Daily | 23 Sep 1875 | 3 | Fire Company | Kittanning | |
| SIRWELL | Col. Wm. | 14 | Parker City Daily | 03 Jun 1876 | 3 | Nomination | ||
| SIRWELL | William | 11 | Butler County Citizen | 24 Jul 1872 | 2 | Politics | Col | |
| SISSNEY | Levi | 16 | The Democratic Herald | 07 Jan 1896 | 2 | Jury List | Marion Twp | |
| SISSON | Julia H. | 7 | The Democratic Herald | 26 Jan 1859 | 3 | Orphans' Court Sale | Mercer Twp | |
| SITLER | A. | 14 | Connoquenessing Valley News | 06 Mar 1879 | 3 | Left on Trip | ||
| SITLER | Jacob | 16 | Connoquenessing Valley News | 28 Nov 1899 | 1 | Thanksgiving Service | ||
| SITLER | M. H. | 11 | Butler County Citizen | 29 May 1872 | 2 | Court | ||
| SITLER | M. H. | 11 | Butler County Citizen | 05 Jun 1872 | 3 | Court | ||
| SITLER | Martin H. | 11 | Butler County Citizen | 02 Oct 1872 | 2 | Court | ||
| SITLER, MR. | M. H. | 9 | American Citizen | 29 Sep 1869 | 2 | Presents | Harmony | |
| SITTIG | H. P. | 11 | Butler County Citizen | 04 Sep 1872 | 2 | Court | ||
| SITTIG | H. P. | 11 | Butler County Citizen | 11 Sep 1872 | 3 | Court | ||
| SKEEN | William | 11 | Butler County Citizen | 08 May 1872 | 2 | Sheriff Sale | ||
| SKEER | Eli | 4 | Butler Intelligencer | 11 Jul 1840 | 1 | July 4 Celebration | ||
| SKEER | Eli | 6 | Democratic Herald | 28 Jan 1852 | 3 | Invention | Buffalo Township | |
| SKEER | Eli | 6 | Democratic Herald | 14 Dec 1853 | 3 | Sheriff's Sales | Buffalo Township | |
| SKEER | Eli | 7 | The Democratic Herald | 19 Apr 1856 | 3 | Treasurer's Sales | Hannastown | X |
| SKEER | Elijah | 1 | The Butler Sentinel | 05 Oct 1822 | 3 | List of Letters | Butler | X |
| SKEER | Mrs. Deborah | 1 | The Butler Sentinel | 09 Apr 1825 | 3 | Death Notice | Butler Twp | |
| SKEER | N. | 4 | Butler Intelligencer | 22 Feb 1840 | 3 | Comms. & Clerk | Former Commissioner | |
| SKEER | Nathan | 2 | Butler Sentinel | 21 Jan 1826 | 2 | Marriage | Butler Twp. | |
| SKEER | Nathan | 3 | Butler Repository | 21 Jan 1837 | 3 | County Commissioner | Butler County | |
| SKEER | Nathan | 4 | Butler Intelligencer | 16 May 1840 | 2 | List of Causes | ||
| SKEER | Nathan | 6 | Democratic Herald | 8 Aug 1855 | 3 | Notice | Hannahstown | |
| SKEER | Nathan | 7 | The Democratic Herald | 11 Apr 1860 | 3 | Treasurer's Sales | Hannastown | |
| SKEER | Nathan | 4 | Butler Intelligencer | 21 Mar 1840 | 3 | List of Causes | Trial | |
| SKEER | Nathan | 1 | The Butler Democrat | 25 Oct 1813 | 2 | List of Causes | X | |
| SKEER | Nathaniel | 4 | Butler Intelligencer | 07 Mar 1840 | 5 | Public Notice | Clearfield Township | |
| SKEER | Sarah | 2 | Butler Sentinel | 30 June 1827 | 3 | Marriage | Butler Twp. | |
| SKEER | Thomas | 7 | The Democratic Herald | 11 Apr 1860 | 3 | Treasurer's Sales | Hannastown | |
| SKEHEN | John | 1 | The Butler Democrat | 11 Oct 1813 | 3 | List of Letters | Butler | X |
| SKEKTO | Schezawa | 14 | Parker City Daily | 13 Jul 1876 | 3 | Guest of Railroad | Japan | |
| SKILLMAN | Charles A. | 15 | Connoquenessing Valley News | 26 Mar 1891 | 3 | Property Transfer | Butler | |
| SKILLMAN | Charles A. | 16 | The Democratic Herald | 26 Aug 1898 | 1 | Letters of Administration | Butler | |
| SKILLMAN | Harry | 16 | The Democratic Herald | 18 Feb 1898 | 1 | Accident | ||
| SKILLMAN | James | 16 | The Democratic Herald | 17 Jun 1898 | 3 | New Case | ||
| SKILLMAN | James C. | 16 | The Democratic Herald | 18 Feb 1898 | 1 | Father | ||
| SKILLMAN | Jas. | 15 | Connoquenessing Valley News | 17 Jan 1884 | 2 | Traverse Juror | Center Twp. | |
| SKILLMAN | Jas. C. H. | 13 | The Butler County Citizen | 20 Oct 1875 | 3 | Advertisement | ||
| SKILLMAN | Mary A. | 15 | Connoquenessing Valley News | 26 Mar 1891 | 3 | Property Transfer | Butler | |
| SKILLMAN | Mary A. | 16 | The Democratic Herald | 26 Aug 1898 | 1 | Estate | Butler | |
| SKINNER | Elias | 8 | The Union Herald | 10 May 1865 | 3 | Notice in Partition | Whitestown | |
| SKINNER | Mathew | 14 | Parker City Daily | 19 Jun 1876 | 3 | Killed | ||
| SKIRRAN | Alexander S | 2 | Butler Sentinel | 22 Jul 1826 | 3 | Marriage | Butler Borough | |
| SKOER | Nathaniel | 4 | Butler Intelligencer | 07 Mar 1840 | 5 | Public Notice | Butler Township | |
| SLACK | Abm | 1 | The Butler Centinel | 26 Jan 1822 | 2 | Public Notice | Buffalo Twp. | X |
| SLACK | Abraham | 1 | The Butler Sentinel | 14 Feb 1824 | 4 | Public Notice | Buffalo Twp. | X |
| SLACK | W. D. | 14 | Parker City Daily | 01 May 1876 | 2 | Certificates Maturing | Petrolia | |
| SLAGLE | Conrad | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Lancaster Twp | |
| SLAGLE | J. A. | 14 | Connoquenessing Valley News | 18 Sep 1879 | 2 | Court Proceedings | ||
| SLAGLE | Samuel | 8 | The Butler Union | 22 Jul 1863 | 3 | Drafted | Butler Twp | |
| SLAITOR | John | 4 | Butler Intelligencer | 21 Mar 1840 | 3 | Died | Donegal Township, 80 yrs. | |
| SLAITOR | Nathan | 4 | Butler Intelligencer | 21 Mar 1840 | 3 | List of Causes | Trial | |
| SLANCY | Levi J. | 15 | Connoquenessing Valley News | 23 Apr 1891 | 2 | Property Transfer | Marion Twp. | |
| SLATER |