| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Henry Plantagenet, Earl of Lancaster 3rd | | 1281 | Grismond Castle, Monmouthshire, England | Bef. March 2, 1296/97 | | September 22, 1345 | Monastry of Cannons, Leicester, England |
| Ida (Isabel) Plantagenet, Countess of Norfolk | | 1152 | Sussex, England | WFT Est. 1180-1211 | | WFT Est. 1180-1246 | |
| Joan (of Acre) Plantagenet, Princess | | 1272 | Acre, Palestine | April 30, 1290 | Westminster Abbey, London, England | April 23, 1307 | Clare, Suffolk, England |
| John Plantagenet, King (Lackland) | | December 24, 1167 | Beaumont Palace, Oxford, Oxfordshire, England | August 24, 1200 | Bordeaux, France | October 16, 1216 | Gloucester Castle |
| Mary Plantagenet | | 1321 | Staffordshire, England | September 1334 | Tutbury Castle, Staffordshire, England | September 1, 1362 | |
| Maud Plantagenet | | 1298 | Lancaster, Lancashire, England | Bef. May 1, 1327 | Papal Dispensation | May 5, 1377 | |
| Phillippa Plantagenet | | August 16, 1355 | Eltham Palace, Kent, England | Aft. February 15, 1358/59 | Queen's Chapel, Reading Abbey, Berkshire, England | January 1, 1377/78 | |
| Richard III Plantagenet, King | | October 2, 1452 | | | | | |
| Richard Plantagenet, Duke of York | | September 21, 1411 | England | Bef. October 18, 1424 | | December 30, 1460 | Battle of Wakefield, England |
| Richard Plantagenet, Duke of York | | Aft. 1470 | | | | 1483 | |
| David Carl Plath | | July 23, 1955 | Vancouver, Washington | March 3, 1984 | Portland, Oregon | | |
| David F. Plocher | | | | | | | |
| Matthew Plocher | | March 19, 1985 | | | | | |
| Susannah Plocher | | December 19, 1987 | | | | | |
| Claude Montgomery Plowman | | | | February 2, 1909 | | | |
| Sue McCullough Poland | | | | 1968 | | | |
| Raymond III Pons, Count of Toulouse | | Abt. 921 | | | | 960 | |
| Thorold of Pont-Audemer, sn de Pont-Audemer | | | | | | | |
| Maud Ponthier | | WFT Est. 1138-1161 | | WFT Est. 1170-1202 | | WFT Est. 1183-1249 | |
| Urraca of Portugal | | WFT Est. 1121-1146 | | 1160 | | 1176 | |
| Alfred Poulton | | | | | | | |
| Martha J. Poulton | | | | 1856 | | 1863 | |
| John Powell | | | | | | | |
| Levin Powell | | April 12, 1794 | Loudoun County, Virginia | | | June 6, 1833 | Tuscaloosa, Alabama |
| Cadell ap Brochwel of Powys | | | | | | | |
| Abigail Poynter | | | | | | | |
| Argalous Poynter | | | | | | | |
| Frances Poynter | | 1674-1684 | | Aft. 1702 | | Aft. 1749 | |
| Jeremiah Poynter | | | | | | | |
| Thomas Poynter | | | | | | December 1705 | |
| Thomas Poynter | | | | | | | |
| William Poynter | | | | | | | |
| Sharon Prairie | | July 20, 1955 | Boston, Massachusetts | October 25, 1980 | Albany, Texas | | |
| Dorothy Prescott | | | Andover, New Hampshire | | | | |
| Jonathan W. Prescott | | | | | | | |
| Sabrina Prescott | | | | November 15, 1832 | | | |
| Priam of Troy, High King of Troy | | | | | | | |
| Princess | | | | | | | |
| Princess of Picts | | | | | | | |
| Edward Purefoy | | January 13, 1493/94 | Shalston, England | WFT Est. 1525-1533 | | June 1, 1558 | England |
| Mary Purefoy | | 1533 | England | Abt. 1549 | England | May 9, 1589 | England |
| David I. Purser | | | | | | | |
| David I. Purser | | | | | | | |
| Frank Moody Purser | | | | | | | |
| Martha Purser | | | | | | | |
| Pybba of Mercia, King of Mercia | | | | | | Abt. 606 | |
| King in Russia Radbard | | | | | | | |
| Randver Radbardsson | | | | | | | |
| Sigurd ("Snake-in-Eye") Ragnarson | | | | | | | |
| Ivar (the Boneless) Ragnarsson, King of Dublin | | | | | | 873 | |