| SURNAME | STATE | RESEARCHER | ||
| PACKARD | MA | K. Sherron | ||
| PACKARD | MA | P. King | ||
| PAGE | NC | B. Moore | ||
| PARKE | CT | D. Perkins | ||
| PARKE | England | D. Perkins | ||
| PARKE | England | A. Reilly | ||
| PARKE | Ireland | A. Reilly | ||
| PARKE | PA | A. Reilly | ||
| PERKER | Scotland | D. Olsen | ||
| PARTRIDGE | MA | D. Young | ||
| PASLEY/PAISLEY | KY | A. Reilly | ||
| PASLEY/PAISLEY | OH | A. Reilly | ||
| PASLEY/PAISLEY | IL | A. Reilly | ||
| PATTON | Ireland | P. Stowe | ||
| PATTON | KY | P. Stowe | ||
| PEAKE/PECKE | England | A. Reilly | ||
| PEDERSDOTTER | Norwary | B. Marsh | ||
| PEDERSDOTTER | WA | B. Marsh | ||
| PEERS | NY | P. Minch | ||
| PEERS | N.Scotia | P. Minch | ||
| PENNINGTON | VA | A. Reilly | ||
| PENNINGTON | NC | A. Reilly | ||
| PERCIFULL | England | E. Rogers | ||
| PERCIFULL | VA | E. Rogers | ||
| PERCIFULL | KY | E. Rogers | ||
| PERKINS | SD | D. Perkins | ||
| PERKINS | WI | D. Perkins | ||
| PERKINS | MI | D. Perkins | ||
| PERKINS | NY | D. Perkins | ||
| PERKINS | MA | D. Perkins | ||
| PETER | VA | G. Gibbel | ||
| PETER | KY | G. Gibbel | ||
| PETERSON | Norway | D. Marvin | ||
| PETERSON | CA | D. Marvin | ||
| PETERSON | IA | D. Marvin | ||
| PETERSON | Switz | A. Reilly | ||
| PETERSON | VA | A. Reilly | ||
| PHILLIPS | RI | C. Stowe | ||
| PHILLIPS | NY | C. Stowe | ||
| PHINNEY | MA | C. Stowe | ||
| PIERCE | NY | P. Minch | ||
| PIERCE | MD | B. Rogers | ||
| PITTS | England | P. Stowe | ||
| PITTS | NC | P. Stowe | ||
| PITTS | IA | P. Stowe | ||
| PITTS | CO | P. Stowe | ||
| PITTS | CA | P. Stowe | ||
| PITTS | MD | J. Cupp | ||
| PITTS | WVA | J. Cupp | ||
| PLESCIA | Sicily | J. Vaughn | ||
| POND | VA | E. Rogers | ||
| PORE/POHR/BOHR | PA | J. Cupp | ||
| PORTZER | PA | A. Rowe | ||
| POST | CT | J. Simonson | ||
| POST | PA | J. Simonson | ||
| POYTHRESS | VA | M. Lawson | ||
| PRATHER | England | N. McClellan | ||
| PRATHER | MD | N. McClellan | ||
| PRATHER | NC | N. McClellan | ||
| PRATHER | CA | N. McClellan | ||
| PRATT | MA | K. Brahms | ||
| PRESCOTT | MA | A. Brunckhorst | ||
| PRESCOTT | CT | A. Brunckhorst | ||
| PREVO | IL | D. Holaday | ||
| PRIEST / PRUST | MA | K. Brahms | ||
| PRIEST / PRUST | Holland | K. Brahms | ||
| PRIGMORE | NJ | P. Stowe | ||
| PRIGMORE | IN | P. Stowe | ||
| PRIGMORE | KY | P. Stowe | ||
| PRIGMORE | MO | P. Stowe | ||
| PRINCE | AR | D. Marvin | ||
| PRITCHARD | NY | B. Jarvis | ||
| PRITCHARD | OH | B. Jarvis | ||
| PRITCHARD | CT | C. Stowe | ||
| PRITCHARD | MA | C. Stowe | ||
| PRITCHARD/PRITCHETT | OH | A. Reilly | ||
| PROUTY / PROUT | England | G. Gibbel | ||
| PROUTY / PROUT | MA | G. Gibbel | ||
| PROUTY / PROUT | VT | G. Gibbel | ||
| PROUTY / PROUT | WA | G. Gibbel | ||
| PROVOST/PROVOOST | NY | A. Reilly | ||
| PRUYN / PRYNE | Holland | C. Stowe | ||
| PRUYN / PRYNE | NY | C. Stowe | ||
| PRYNE | NY | C. Stowe | ||
| PRYNE | IA | P. Stowe | ||
| PULLIAM | VA | P. Stowe | ||
| PULLIAM | KY | P. Stowe | ||
| PULLIAM | WA | P. Stowe | ||
| PULLIAM | MO | P. Stowe | ||
| PULLIAM | ID | P. Stowe | ||
| PULLIAM | CA | P. Stowe | ||
| PUTMAN | SC | B. Rogers | ||
| PUTMAN | VA | B. Rogers | ||
| PUTMAN | MS | B. Rogers | ||
| PUTMAN | TX | B. Rogers |