| Dale | A | Canoe Twp |
| Darr | J | Cherryhill Twp |
| Daugherty | D | West Mahoning Twp |
| Daugherty | D K | Saltsburg, Conemaugh Twp |
| Daugherty | J | Saltsburg, Conemaugh Twp |
| Daugherty | M, Mrs | Saltsburg, Conemaugh Twp |
| Daugherty? | J | Armstrong Twp |
| Davidson | C | Green Twp |
| Davidson | Saml | Pine Twp |
| Davis | A | South Mahoning Twp |
| Davis | A, Esq | Blairsville, Burrell Twp |
| Davis | B C | Wheatfield Twp |
| Davis | B F | Armagh, Wheatfield Twp |
| Davis | C | South Mahoning Twp |
| Davis | C C | Blairsville, Burrell Twp |
| Davis | D | Blairsville, Burrell Twp |
| Davis | E | Pine Twp |
| Davis | J | White Twp |
| Davis | Jas | Blacklick Twp |
| Davis | Mrs | West Mahoning Twp |
| Davis | T | Pine Twp |
| Davis | W R | Young Twp |
| Davis | Wm | South Mahoning Twp |
| Davis | Wm J | Washington Twp |
| Day | J C | Blairsville, Burrell Twp |
| Deafenderfer | J | Montgomery Twp |
| Deal | J | Cherryhill Twp |
| Dearmy | H | Brush Valley Twp |
| Dearmy | S | Brush Valley Twp |
| Deaver | H | Center Twp |
| Decker | J | Center Twp |
| Decker | J | Montgomery Twp |
| Decker | J | Montgomery Twp |
| Decker | L | Montgomery Twp |
| Delancey | J | South Mahoning Twp |
| Derich | J | Canoe Twp |
| Deter | P | Armstrong Twp |
| Detrich | John | Blairsville, Burrell Twp |
| Devinney | John | Blairsville, Burrell Twp |
| Devlin | H | Armstrong Twp |
| Devlin | J | Armstrong Twp |
| Dias | A | Brush Valley Twp |
| Dias | T | Brush Valley Twp |
| Dick | A | Brush Valley Twp |
| Dick | C | Cherryhill Twp |
| Dick | J | Cherryhill Twp |
| Dick | J | Pine Twp |
| Dick | Margaret | Brush Valley Twp |
| Dick | Mrs | Cherryhill Twp |
| Dick | R | Wheatfield Twp |
| Dick | S | Cherryhill Twp |
| Dick | Wm | Pine Twp |
| Dickey | Mrs | Indiana Borough, White Twp |
| Dickie | G | White Twp |
| Die | J | Montgomery Twp |
| Dill | G | Armagh, Wheatfield Twp |
| Dill | J C | Pine Twp |
| Dill | J C | Pine Twp |
| Dill | J C | Pine Twp |
| Dilt | P | North Mahoning Twp |
| Ditt | J C | Pine Twp |
| Ditts | James | North Mahoning Twp |
| Diven | J | Washington Twp |
| Diven | Jesse | Washington Twp |
| Diviney | A | Center Twp |
| Diviney | J | Center Twp |
| Dixon | A | White Twp |
| Dixon | J | Blacklick Twp |
| Dixon | J | Blacklick Twp |
| Dixon | J | Blacklick Twp |
| Dixon | J | Burrell Twp |
| Dixon | J | Washington Twp |
| Dixon | J | Washington Twp |
| Dixon | S | Blairsville, Burrell Twp |
| Dixon | T | Washington Twp |
| Dodson | D | Wheatfield Twp |
| Dodson | R | Smicksburg, West Mahoning Twp |
| Dodson | R | West Mahoning Twp |
| Doil | R M | Pine Twp |
| Donahey | R | Rayne Twp |
| Donahey | Wm | Rayne Twp |
| Donaldson | A, Rev | Young Twp |
| Donihue | B | Blacklick Twp |
| Donihue | Hugh | Pine Twp |
| Doty | G | Montgomery Twp |
| Doty | J | Burrell Twp |
| Dougherty | J | Burrell Twp |
| Dougherty | Jas R, Esq | Saltsburg, Conemaugh Twp |
| Douglass | B | Green Twp |
| Douglass | Mrs | Indiana Borough, White Twp |
| Douthart | J | Pine Twp |
| Douthet | N | Armstrong Twp |
| Downey | J | Pine Twp |
| Downey | J | Wheatfield Twp |
| Downey | Jas | Pine Twp |
| Downy | J | Armstrong Twp |
| Drips | S W | Armagh, Wheatfield Twp |
| Drum | A | Indiana Borough, White Twp |
| Duncan | ? | Conemaugh Twp |
| Duncan | G | White Twp |
| Duncan | J | Brush Valley Twp |
| Duncan | J | Conemaugh Twp |
| Duncan | J | Pine Twp |
| Duncan | J | Pine Twp |
| Duncan | J | White Twp |
| Duncan | J & Wm | Conemaugh Twp |
| Duncan | John | Indiana Borough, White Twp |
| Duncan | Mrs | Center Twp |
| Duncan | S | Saltsburg, Conemaugh Twp |
| Duncan | T | White Twp |
| Duncan | W | Pine Twp |
| Duncan | Wm | Pine Twp |
| Duncan | Wm | White Twp |
| Dunchel | J | Green Twp |
| Dunkle | H | Conemaugh Twp |
| Dunlap | R | Conemaugh Twp |
| Dunlop | Wm | Young Twp |
| Dunmire | P | Conemaugh Twp |
| Dunnsdie? | J | Cherryhill Twp |
Indiana County, PA