| Father | Michael Earhart (1839 - ) |
| Mother | Mary A. Buzzard (1846 - ) |
| Sibling | Minnie Earhart ( - ) |
| Sibling | Dora A. Earhart ( - ) |
| Sibling | Catharine Earhart ( - ) |
| Sibling | Bertha A. Earhart ( - ) |
| Sibling | Alice C. Earhart ( - ) |
| Sibling | Emma Jane Earhart (1866 - ) |
| Sibling | Mary Elizabeth Earhart (1867 - 1964) |
| Sibling | William C. Earhart (1869 - ) |
| Sibling | Edward G. Earhart (1869 - ) |
| Sibling | Franklin M. Earhart (1871 - ) |
| Sibling | John D. Earhart (1880 - ) |
| Sibling | Ezra M. Earhart (1882 - ) |
| Sibling | Sarah E. Earhart (1889 - ) |
| Sibling | James Fuller Earhart (1891 - ) |