| Last name | Southard |
| First name | Samuel |
| Middle name | Lewis |
| Display name | Samuel Lewis Southard |
| Birth date | 1787 |
| Death date | 1842 |
| Birth place | New Jersey |
| Death place | Fredericksburg |
| Gender | m |
| Affiliations | United States Government |
| Bio notes | Member of the New Jersey General Assembly (1815), US Senator from New Jersey (1821-1823; 1833-1842), US Secretary of the Navy (1823-1829), Governor of New Jersey (1832-1833). Mentioned in an 1818 letter by Thomas Eddy. |