Robert M. Riddle
Robert M. Riddle  | |
|---|---|
| 19th Mayor of Pittsburgh | |
| In office 1853–1854  | |
| Preceded by | John B. Guthrie | 
| Succeeded by | Ferdinand E. Volz | 
| Personal details | |
| Born | August 17, 1812 | 
| Died | December 18, 1858 (aged 46) Pittsburgh, Pennsylvania, U.S.  | 
| Political party | Whig | 
| Other political affiliations  | Know Nothing, Republican | 
Robert M. Riddle (August 17, 1812 – December 18, 1858) was a newspaperman, postmaster and politician who served as Mayor of Pittsburgh from 1853 to 1854.