- Porter
- Portlock
- Portman
- Postle
- Potter
- Potts
- Pouldon
- Poulson
- Poulston
- Eliza Ann (between 1877 and 1878 - circa 1923)
- Poulton
- Pound
- Pounder
- Pounds
- Pountain
- Poupart
- Powell
- Power
- Powers
- Powis
- Powles
- Emma (1836 - circa 1868)
- William (between 1833 and 1834 - )
- Powlett
- Powrie
- Poxon
- Poxson
- Poyner
- Poynings
- Poynter
- Poyntz
- Poyser
- Pozzi
- Pracownik
- Prator
- Pratt
- Predeth
- Preece
- Preedy
- Preiss
- Prentice
- Preocanin
- Prescott
- Presland
- Annie (1873 - circa 1944)
- Presley
- Preston
- Pretty