Henry A. Weaver
Henry Augustus Weaver was Mayor of Pittsburgh from 1857 to 1860.
Henry A. Weaver was born in Freeport, Pennsylvania. His father was Benjamin Weaver, Sheriff of Allegheny County in 1840. Henry Weaver had been manager of the Madison Coal Company. He was a staunch Republican. The term of office was extended to two years while Weaver was mayor.
Source: Wikipedia