| Father | John P. Hoak (1826 - 1899) |
| Mother | Maria Jane Allen (1836 - 1877) |
| Sibling | John William Hoak (1853 - 1939) |
| Sibling | Thomas J. Hoak (1855 - 1934) |
| Sibling | David P. Hoak (1858 - 1934) |
| Sibling | Margaret Hoak (1861 - 1920) |
| Sibling | Laura J. Hoak (1862 - ) |
| Sibling | Adam J. Hoak (1864 - 1916) |
| Sibling | Walter S. Hoak (1866 - 1933) |
| Sibling | Leonard E. Hoak (1868 - 1957) |
| Sibling | Herbert Spencer Hoak (1869 - 1943) |
| Sibling | Lillie L. Hoak (1870 - 1960) |
| Sibling | Jacob Bloomingdale Hoak (1872 - 1954) |
| Sibling | Howard Rosewell Hoak (1874 - 1935) |
| Sibling | Royal Rutherford Hoak (1876 - 1955) |