| Father | William Snodgrass Jr (1697 - 1750) |
| Mother | Catherine Jane Patterson (1705 - 1783) |
| Sibling | John w Snodgrass (1722 - 1790) |
| Sibling | David G. Snodgrass (1725 - 1814) |
| Sibling | John Joseph Snodgrass Sr (1726 - 1788) |
| Sibling | Joseph Snodgrass (1730 - ) |
| Sibling | William Snodgrass (1732 - 1785) |
| Sibling | James Snodgrass Jr (1732 - 1800) |
| Sibling | Sarah Snodgrass (1736 - ) |
| Sibling | Ann Snodgrass ( - ) |
| Sibling | Elizabeth Snodgrass (1738 - ) |
| Sibling | Sarah Snodgrass ( - ) |
| Sibling | Meary Snodgrass (1740 - ) |
| Sibling | Robert Snodgrass (1742 - 1823) |
| Sibling | Mary Snodgrass ( - ) |
| Sibling | James Snodgrass Sr. (1745 - 1826) |
| Sibling | Ruth SNODGRASS (1748 - ) |