BUTLER TOWNSHIP DUPLICATE FOR EXTRA TAX - 1851
| SURNAME | GIVEN NAME | PAGE | NOTES |
| FALLER | Anthony | 9 | |
| FATTER | Henry | 9 | Heirs |
| FATTER | Jacob | 9 | |
| FATTER | John | 9 | |
| FISHER | Franklin | 10 | |
| FISHER | John | 9 | |
| FISHER | William | 9 | |
| FISHER | William Jr | 9 | |
| FLEMMING | John | 9 | |
| FORSYTHE | James | 9 | |
| FORSYTHE | John | 9 | |
| FRANGLE | Joseph | 9 | |
| FRANKLIN | John | 9 | |
| FRANKLIN | Matthias | 10 | |
| GALLAGHER | James | 11 | |
| GELEIGH | Martin | 10 | |
| GERARD | Micheal | 10 | |
| GIBLE | Charles | 10 | |
| GILMORE | John | 11 | Heirs |
| GRABE | Andrew | 10 | |
| GRABE | Augustus | 11 | |
| GRABE | George | 11 | |
| GRABE | Rumwell | 11 | |
| GRAHAM | Joseph | 10 | |
| GRAHAM | Patrick | 10 | |
| GRAHAM | Robert | 11 | |
| GRAY | John | 11 | |
| GRAY | Thomas | 11 | |
| GRUVER | Jacob | 11 | |
| HALER | Charles | 12 | |
| HALER | Henry | 12 | |
| HARBISON | Matthew | 12 | |
| HARBISON | Robert | 12 | |
| HARBISON | William | 12 | |
| HARRIS | Isaac | 13 | |
| HARRIS | William | 12 | |
| HASLETT | David | 13 | |
| HASLETT | James | 12 | |
| HAYS | Charles H | 13 | |
| HECKERT | Francis | 12 | |
| HENSHEW | Abraham | 12 | |
| HILL | James | 13 | |
| HOFFNER | John | 12 | |
| HOGLE | Joseph | 13 | |
| HUGHS | Richard | 12 | |
| HUSELTON | John | 12 | |
| INGLEHART | John | 13 | |
| KABLE | William | 14 | |
| KEEFER | John | 14 | |
| KELLY | Gabriel | 14 | |
| KENNEDY | John | 14 | |
| KENNEDY | John | 14 | |
| KENNEDY | John Jr | 14 | |
| KINSER | Joseph | 14 | |
| KISSEL | Fauvrus | 14 | |
| KNIDDLE | John | 14 | |
| KNITTER | George | 14 | |
| KRILEIGH | Francis | 14 | |
| KRILEIGH | Joseph | 14 | |
| LAURENT | Joseph | 15 | |
| LAURENT | Martin Jr | 15 | |
| LAURENT | Martin Sr | 15 | |
| LEIBLER | Andrew | 15 | |
| LEIBLER | George | 15 | |
| LELEVERIE | Francis | 15 | |
| LELEVERIE | Lewis | 15 | |
| LEMMON | John | 16 | |
| LINDSY | William | 16 | S COLLINS |
| LOGAN | David | 15 | |
| LOWELL | George | 15 | |
| LUCE | John | 15 |