William Dennison | |
|---|---|
 | |
| Commissioner of the District of Columbia | |
| In office July 1, 1874 – July 1, 1878[1] | |
| Preceded by | position established |
| Succeeded by | position abolished |
| 21st United States Postmaster General | |
| In office September 24, 1864 – July 25, 1866 | |
| President | Abraham Lincoln Andrew Johnson |
| Preceded by | Montgomery Blair |
| Succeeded by | Alexander Randall |
| 24th Governor of Ohio | |
| In office January 9, 1860 – January 13, 1862 | |
| Lieutenant | Robert C. Kirk |
| Preceded by | Salmon P. Chase |
| Succeeded by | David Tod |
| Personal details | |
| Born | November 23, 1815 Cincinnati, Ohio, U.S. |
| Died | June 15, 1882 (aged 66) Columbus, Ohio, U.S. |
| Resting place | Green Lawn Cemetery |
| Political party | Whig Republican |
| Spouse | Anne Neil |
| Education | Miami University, Oxford (BA) |
| Signature |  |
William Dennison Jr. (November 23, 1815 – June 15, 1882) was a Whig and Republican politician from Ohio. He served as the 24th governor of Ohio and as U.S. Postmaster General in the Cabinet of President Abraham Lincoln during the American Civil War.