Adamson Tannehill

Who was Adamson Tannehill?

Adamson Tannehill, a native of Maryland, is representative of the United States’ founding generation whose members were active participants in the early military and political events of their country’s establishment. He was among the first volunteers to join the newly established Continental Army during the American Revolutionary War. He served for five and a half years, ultimately achieving the rank of captain and commander of the army’s longest serving rifle unit. After the war, Tannehill and members of his family settled in Pittsburgh, his last military post of the conflict. He was an early leading citizen of Pittsburgh and a distinguished Pennsylvania politician who held several local and state appointed and elected offices, including one term as a U.S. Congressman; served on the founding boards of civic, state, and national organizations; and had prominent military roles in the state's post-Revolutionary War years.