| Name | Relationship with Steven Prater | Civil | Canon |
| Payne, Michael | Husband of the 1st cousin | | |
| Payne, Noah | 1st cousin once removed | V | 3 |
| Payne, Willie Gracie | Ex-wife of the 4th cousin twice removed | | |
| Peek, John | Husband of the 2nd cousin 5 times removed | | |
| Peek, Marvin | 3rd cousin 4 times removed | XII | 8 |
| Peggie | Wife of the half 4th cousin twice removed | | |
| Peters, Belinda | 5th cousin once removed | XIII | 7 |
| Peters, Gary | Husband of the 4th cousin twice removed | | |
| Peters, Tedd | 5th cousin once removed | XIII | 7 |
| Peterson, Conrad | Husband of the 2nd cousin twice removed | | |
| Peterson, Paul F. | Husband of the 2nd cousin twice removed | | |
| Pettigrove, Irene Dorothy | Wife of the 1st cousin twice removed | | |
| Phillips, Jae | Husband of the great-grandaunt | | |
| Phillips, John | Husband of the 2nd cousin 5 times removed | | |
| Phillips, Joseph S. | Husband of the 1st cousin 3 times removed | | |
| Husband of the half 1st cousin 3 times removed | | |
| Phillips, Sarah Azilee | Wife of the 1st cousin 3 times removed | | |
| Wife of the half 1st cousin 3 times removed | | |
| Phillips, Sarilla Haseltine | Wife of the 2nd great-granduncle | | |
| Piazza, Carrie Anne | Niece | III | 2 |
| Piazza, Michael Angelo | Brother-in-law | | |
| Piazza, Michael Scott | Nephew | III | 2 |
| Pipkin, Shirley Ann | Wife of the 3rd cousin 3 times removed | | |
| Pirtle, Hellen | 3rd cousin 3 times removed | XI | 7 |
| Pirtle, Jack | 3rd cousin 3 times removed | XI | 7 |
| Pirtle, John | 2nd cousin 4 times removed | X | 7 |
| Pirtle, Louisa Jane | Wife of the 4th great-granduncle | | |
| Pirtle, Pricilla | 2nd cousin 4 times removed | X | 7 |
| Pirtle, William W. | Husband of the 1st cousin 5 times removed | | |
| Pirtle, Willie Sue | 2nd cousin 4 times removed | X | 7 |
| Wife of the 2nd cousin 4 times removed | | |
| Wife of the half 2nd cousin 4 times removed | | |
| Pitcher, Frances Anne | 3rd cousin | VIII | 4 |
| Pitcher, Francis Everett | Husband of the 2nd cousin once removed | | |
| Plott, Jane | 12th great-grandmother | XIV | 14 |
| Plott, John | 14th great-grandfather | XVI | 16 |
| Plott, Richard | 13th great-grandfather | XV | 15 |
| Plowden, Mary | 11th great-grandmother | XIII | 13 |
| Poden, Shirley | Wife of the uncle | | |
| Pollard, Oliver Cleveland | Husband of the 1st cousin 5 times removed | | |
| Pool, Mary Delilah | Wife of the 3rd great-grandfather | | |
| Poteet, Jean Baptiste | Husband of the 1st cousin 6 times removed | | |
| Poteet, Pembroke | 2nd cousin 5 times removed | XI | 8 |
| Powys), --- Yscitheor (Princes of | 22nd great-grandmother | XXIV | 24 |
| Praers), --- Prater (de Preers / | 15th great-grandfather | XVII | 17 |
| Praers), Williamus Pretor (Prater/de | 21st great-grandfather | XXIII | 23 |
| Praers)., --- de Presbyter (Prester/de | 23rd great-grandfather | XXV | 25 |
| Praers?), --- Prater (de | 17th great-grandfather | XIX | 19 |
| Praers?), --- Prater (de | 18th great-grandfather | XX | 20 |
| Praers?), --- Prater (Pretor) (de | 19th great-grandfather | XXI | 21 |