| Name | Birth date | Relationship with Megan Robinson |
| Peck, James Allen | 19 Oct 1979 | 2nd cousin |
| Peck, Mark | 22 Dec 1988 | 2nd cousin |
| Peck, Warren Allen | 27 Oct 1960 | Husband of the 1st cousin once removed |
| Pelchen, Edith | | Wife of the 1st cousin 3 times removed |
| Petrosious, Joseph Duane | | Husband of the 2nd cousin twice removed |
| Petty, Wassalee Marie | 03 Mar 1941 | Wife of the 1st cousin twice removed |
| Phelan, Clint | 1990 | 4th cousin |
| Phelan, Gregory | | 4th cousin |
| Phelan, Kevin William | | Husband of the 3rd cousin once removed |
| Phelps, Alva | | Husband of the 4th great-grandaunt |
| Phelps, William E. | | Husband of the 4th great-grandaunt |
| Phillips, Thurman Elmer | 17 Aug 1947 | Husband of the 1st cousin twice removed |
| Phillis | | Wife of the 2nd cousin twice removed |
| Pierce, Roy Jack | 04 Nov 1943 | Husband of the grandaunt |
| Pierce, Shawna Elaine | 19 May 1975 | 1st cousin once removed |
| Pitts, Ron | | Husband of the 3rd cousin once removed |
| Plank, Bonnie Louise | 02 Jun 1944 | 2nd cousin twice removed |
| Plank, Dean Alan | 19 Jul 1945 | 2nd cousin twice removed |
| Plank, Donna Mae | 15 Aug 1931 | 2nd cousin twice removed |
| Plank, Gary Lynn | 14 Nov 1957 | 3rd cousin once removed |
| Plank, George Milton | 28 Aug 1907 | 1st cousin 3 times removed |
| Plank, Jeffery Pryor | Jun | 3rd cousin once removed |
| Plank, Keith LeRoy | 13 Nov 1928 | 2nd cousin twice removed |
| Plank, Kenneth Wayne | 01 Mar 1951 | 3rd cousin once removed |
| Plank, Lee Ann | 17 Nov 1957 | 3rd cousin once removed |
| Plank, Pryor Levi | 13 Jun 1875 | Husband of the 2nd great-grandaunt |
| Plank, Ralhp Chester | 29 Apr 1906 | 1st cousin 3 times removed |
| Plank, Wanda Jean | 26 Sep 1954 | 3rd cousin once removed |
| Plank, Wayne Ray | 23 Feb 1934 | 2nd cousin twice removed |
| Porter, Nancy Lee | 08 Sep 1948 | Wife of the 2nd cousin twice removed |
| Postrach, Mary Evelyn | 1930 | Wife of the 2nd cousin twice removed |
| Powell, Sam H. | 14 Sep 1941 | Husband of the 1st cousin twice removed |
| Powell, Tammy Sue | 05 Sep 1963 | 2nd cousin once removed |
| Prather, James R. | | Husband of the 2nd great-grandaunt |
| Prather, Kelsey Brooke | 17 Jun 1993 | 2nd cousin |
| Prather, Madison Leigh | 11 Sep 1998 | 2nd cousin |
| Prather, Mike | | Husband of the 1st cousin once removed |
| Pratt, Alice Geneva | 26 Sep 1917 | 2nd cousin twice removed |
| Pratt, Arther William | 15 Sep 1895 | 1st cousin 3 times removed |
| Pratt, Bert Dale | 17 Jun 1914 | 1st cousin 3 times removed |
| Pratt, Carl Clyde | 07 Apr 1919 | 2nd cousin twice removed |
| Pratt, Clarence Iven | 18 Jul 1917 | 1st cousin 3 times removed |
| Pratt, Dale | 20 Mar 1920 | 1st cousin 3 times removed |
| Pratt, George Pryor | 19 Oct 1912 | 1st cousin 3 times removed |
| Pratt, George Washington | 27 Mar 1871 | Husband of the 2nd great-grandaunt |
| Pratt, Jimmie Dale | May 1933 | 2nd cousin twice removed |
| Pratt, Karen Iris | Nov 1941 | 2nd cousin twice removed |
| Pratt, Lois Emogene | 20 Dec 1924 | 2nd cousin twice removed |
| Pratt, Melvin William | 24 Mar 1916 | 2nd cousin twice removed |
| Pratt, Shirley May | 13 Jan 1935 | 2nd cousin twice removed |