| Name | aka | Name source info. |
| PIE, Unknown | | Mills Whitley, page 32. |
| PIERCE, Irene Smith | | Ada and Albert Byrne, page 506. |
| PIERCE, James Edwin | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, James Edwin | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, James Edwin Pierce | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, Jay Dean | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, Larry Lee | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, Linda Louise | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, Othal Lee | | Ada and Albert Byrne, page 506. |
| PIERCE, Trisa Reene | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PIERCE, Unknown | | Alford, page 415. |
| PILES, Lena May | | Lorenzo Dow Yarbrough and Nancy Parilee White, page 460. |
| PINION, Larry | | Green A. and Verda Henry Franklin, page 500. |
| PITTS, Dudley | | H. B. Shiner Ranch and the Shiner Family, McMullen County, Texas, page 172. |
| PLACIOS, Andrea | Anderita PLACIOS | Sam and Andrea Heritage, page 47. |
| PLOCH, Olivia Mary | | Walter Dow Coffman, page 33. |
| PLOCH, Peter M. | | Walter Dow Coffman, page 33. |
| POENISCH, Adolph | | Adolph and Ruth Poenisch, page 483. |
| POENISCH, Adolph | | Adolph and Ruth Poenisch, page 483. |
| POENISCH, Carl | | Adolph and Ruth Poenisch, page 483. |
| POENISCH, Jo Ann | | Adolph and Ruth Poenisch, page 483. |
| PORTER, Albert | | (1) The Porter Family of McMullen County, Texas, page 534. (2) Lake Newell Porter, page 535. |
| PORTER, Annie Blanche | Anne PORTER | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Cornelia Mayme | | (1) The Porter Family of McMullen County, Texas, page 534. (2) Lake Newell Porter, page 535. |
| PORTER, David C. | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Elisha P. | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Filmore | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Lake Newell | | (1) The Porter Family of McMullen County, Texas, page 534. (2) Lake Newell Porter, page 535. |
| PORTER, Mary | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Nancy | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Robert Newell | | (1) The Porter Family of McMullen County, Texas, page 534. (2) Lake Newell Porter, page 535. |
| PORTER, Samuel Houston | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, Stark P. | | (1) The Porter Family of McMullen County, Texas, page 534. (2) Lake Newell Porter, page 535. |
| PORTER, Uriah | | The Porter Family of McMullen County, Texas, page 534. |
| PORTER, William S. | Billy PORTER | The Porter Family of McMullen County, Texas, page 534. |
| POTCHERNICK, Evelyn | | Harold Jambers, page 148. |
| POTTER, Martha | | John A. Salmon, page 134. |
| POTTS, Annie Luera | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Barbara Ann | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Eleazer | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Eligha Frederick | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Ira Mayhugh | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, John Edward | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Leonard Ellis | Bud POTTS | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Lillie Ray | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Murray Franklin | | (1) Leonard Ellis "Bud" Potts, page 243. (2) Murray Franklin Potts 1926-1979, page 632. |
| POTTS, Murray Franklin | | (1) Leonard Ellis "Bud" Potts, page 243. (2) Rosalie (Teal) Peacock, page 260. (3) Murray Franklin Potts 1926-1979, page 632. |
| POTTS, Peggy Lee | | (1) Leonard Ellis "Bud" Potts, page 243. (2) Murray Franklin Potts 1926-1979, page 632. |
| POTTS, Robert Daisy | | Leonard Ellis "Bud" Potts, page 243. |
| POTTS, Valerie Ruth | | (1) Leonard Ellis "Bud" Potts, page 243. (2) Murray Franklin Potts 1926-1979, page 632. |