Harmar Denny

Harmar Denny (May 13, 1794 – January 29, 1852) was an American businessman and Anti-Masonic member of the U.S. House of Representatives from Pennsylvania.

Biography Harmar Denny was born in Pittsburgh, the son of Ebenezer Denny and Nancy Wilkins. His father had served as adjutant to General Harmar during wars on the western frontier.

Graduating from Dickinson College in Carlisle in 1813, Harmar Denny was admitted to the bar in Pennsylvania in 1816 and became a law partner with Henry Baldwin and practiced law in Pittsburgh.

He married Elizabeth F. O'Hara on November 25, 1817 and they had 11 children. Elizabeth was the daughter of General James O'Hara and Mary Carson O'Hara.

Denny served as a member of the Pennsylvania State House of Representatives from 1824 to 1829. In 1829 he became a ruling elder of the First Presbyterian Church of Pittsburgh. He declined the nomination to be a candidate for Congress in 1850. He served as president of the Pittsburgh and Steubenville Railroad in 1851 and 1852. He was a trustee of the Western University of Pennsylvania, now the University of Pittsburgh, and director of the Pittsburgh Theological Seminary.

He was buried at Allegheny Cemetery in Pittsburgh's Lawrenceville neighborhood.

New York State Senator Henry E. H. Brereton (1865–1957) was his grandson; Congressman Harmar D. Denny, Jr. (1886–1966) was his great-grandson.

The town of Harmarville, twelve miles up the Allegheny River, was named for him.