Samuel D. Lockwood | |
|---|---|
 | |
| 3rd Illinois Attorney General | |
| In office 1821–1822 | |
| Governor | Shadrach Bond |
| Preceded by | William Mears |
| Succeeded by | James Turney |
| 2nd Secretary of State of Illinois | |
| In office 1822–1823 | |
| Governor | Edward Coles |
| Preceded by | Elias Kane |
| Succeeded by | David Blackwell |
| Illinois Supreme Court Justice | |
| In office 1824–1848 | |
| Personal details | |
| Born | August 2, 1789 Poundridge, New York |
| Died | April 23, 1874 (aged 84) Batavia, Kane County, Illinois |
| Political party | Whig |
| Other political affiliations | Republican Party |
| Spouse | Mary Stith Nash |
| Children | 3 |
| Profession | Lawyer, judge |
Samuel Drake Lockwood (August 2, 1789 – April 23, 1874) was an Illinois lawyer and politician who served as the state's Attorney General, Secretary of State, Justice of the Illinois Supreme Court and the state's trustee on the board of the Illinois Central Railroad.