Robert M. Riddle
Robert M. Riddle (August 17, 1812 – December 18, 1858), served as Mayor of Pittsburgh from 1853 to 1854.
Robert M. Riddle was born in 1811, the son of Judge James Riddle. Robert Riddle was involved in the banking business in Philadelphia. He was the editor of the Commercial Journal, and served as Postmaster of Pittsburgh in 1841.
John B. Guthrie
|Mayor of Pittsburgh
Ferdinand E. Volz