| Name | Relationship with Ryan Paul | Civil | Canon |
| Pierog, Robert | Husband of the half 1st cousin twice removed | | |
| Pierre, Janet | Wife of the 6th cousin twice removed | | |
| Pierret, Caroline Maggie "Carrie" | Wife of the 2nd cousin 4 times removed | | |
| Pierri, Isabelle | Wife of the uncle | | |
| Pierson, Vickie | Ex-wife of the 8th cousin | | |
| Piggott, Ada "Ida" | Wife of the 2nd cousin 4 times removed | | |
| Pinski, Linda | Wife of the 4th cousin twice removed | | |
| Pipkins, Sid | Husband of the 2nd cousin 3 times removed | | |
| Pitman, Dixie E. | Wife of the 2nd cousin 3 times removed | | |
| Piziali, Angela | 4th cousin once removed | XI | 6 |
| Piziali, Joey | 4th cousin once removed | XI | 6 |
| Piziali, Robert Gene | Husband of the 3rd cousin twice removed | | |
| Plain, Benjamin Michael | 5th cousin | XII | 6 |
| Plain, Darmyn Lee | Husband of the 3rd cousin twice removed | | |
| Plain, David Byrian | 4th cousin once removed | XI | 6 |
| Plain, Elizabeth Kristen | 5th cousin | XII | 6 |
| Plain, Emily Breanna | 5th cousin | XII | 6 |
| Plain, Hannah Katherine | 5th cousin | XII | 6 |
| Plain, Joshua Evan | 5th cousin | XII | 6 |
| Plain, Justin Lee | 5th cousin | XII | 6 |
| Plain, Kaleah Christina | 5th cousin | XII | 6 |
| Plain, Katie Ann | 5th cousin | XII | 6 |
| Plain, Kenneth Dean | 4th cousin once removed | XI | 6 |
| Plain, Kevin Richard | 4th cousin once removed | XI | 6 |
| Plain, Madelyn May | 5th cousin | XII | 6 |
| Plain, Marilyn Lucille | 4th cousin once removed | XI | 6 |
| Plain, Michael Edward | 4th cousin once removed | XI | 6 |
| Plain, Steven Lee | 4th cousin once removed | XI | 6 |
| Plain, Tegan Treva | 5th cousin | XII | 6 |
| Plake, Diana Kay | 7th cousin once removed | XVII | 9 |
| Plake, Jerome Eugene | 7th cousin once removed | XVII | 9 |
| Plake, Phillip Bradley | 7th cousin once removed | XVII | 9 |
| Plake, Phillip Earl | Husband of the 6th cousin twice removed | | |
| Plake, Scott Thomas | 7th cousin once removed | XVII | 9 |
| Planalp, Jayne | Wife of the 5th cousin once removed | | |
| Platt, David | Husband of the 2nd cousin twice removed | | |
| Platt, Jason | 3rd cousin once removed | IX | 5 |
| Platt, John Garver | Husband of the 3rd cousin 3 times removed | | |
| Platt, John Wayne | 4th cousin twice removed | XII | 7 |
| Platt, Lars | 5th cousin once removed | XIII | 7 |
| Platt, Margaret Ann | 4th cousin twice removed | XII | 7 |
| Platt, Michael | 5th cousin once removed | XIII | 7 |
| Platt, Peter | 5th cousin once removed | XIII | 7 |
| Platt, Samuel | 5th cousin once removed | XIII | 7 |
| Platt, Sara Catherine | 4th cousin twice removed | XII | 7 |
| Platt, Thomas Agnew | 4th cousin twice removed | XII | 7 |
| Platt, Timothy | 3rd cousin once removed | IX | 5 |
| Platzer, Carl | Husband of the 2nd cousin 3 times removed | | |
| Plauden, John | Husband of the 1st cousin 5 times removed | | |
| Plesac, Jean | Wife of the 5th cousin once removed | | |