| Father | Isiah Zaccharias "Zat" "Zak" Phelps (possibly adopted nephew) (1854 - 1908) |
| Mother | Louisa Isabelle Simmons (1856 - 1925) |
| Sibling | Lemuel Elbert Phelps (1875 - 1895) |
| Sibling | Louisa Adeline Phelps (1877 - 1965) |
| Sibling | Alvah Anderson Phelps (1880 - 1934) |
| Sibling | Jesse A. Phelps (1882 - 1954) |
| Sibling | Elias Hayes Phelps (1884 - 1937) |
| Sibling | Allie May Phelps (1886 - 1889) |
| Sibling | Walter Gray Phelps (1886 - ) |
| Sibling | Nancy Marvilla "Rilla" Phelps (1889 - 1973) |
| Sibling | Richard Soloman Phelps (1891 - 1978) |
| Sibling | Margaret Tillie Phelps (1895 - 1980) |
| Sibling | Nora Lena Phelps (1897 - 1985) |