Thomas Willis was born 27 January 1746 in New Bern, Craven County, North Carolina to Joseph Willis (1722-1784) and Elizabeth Simmons (1718-1777) and died 8 December 1829 Sumner County, Tennessee of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Joshua Willis (1767-) | |||
| Mary Ann Willis (1769-) | |||
| Wilson Willis (1770-) | |||
| Merrill Erastus Willis (1770-1842) | 10 November 1770 New Bern, Craven County, North Carolina | 18 December 1842 Hamilton County, Illinois | Margaret Susan Cherry (1788-1870) |
| John Willis (1782-1846) | 1782 New Bern, Craven County, North Carolina | 26 February 1846 Nauvoo, Hancock County, Illinois | Jinny Kirkpatrick (1776-1882) |
| Dorcas Willis (1784-1822) | |||
| Son Willis (1785-1785) | |||
| Ellen Willis (1792-1812) | |||
| Malachi Willis (1792-1832) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mary Willis (1738-1784) | |||
| Joseph Willis (1741-1796) | |||
| Thomas Willis (1746-1829) | 27 January 1746 New Bern, Craven County, North Carolina | 8 December 1829 Sumner County, Tennessee | Dorcas Windham (1748-1806) |
| Caleb Willis (1748-1827) | |||
| Jesse Willis (1757-1796) | |||
| Ephraim Willis (1760-1829) | |||
| Elizabeth Willis (1764-1784) | |||
| Richard Hanley Willis (-1841) | |||