David Marchand (father of Albert Gallatin Marchand) was born near Irwin, Pennsylvania. He studied medicine and practiced in Westmoreland County, Pennsylvania. He was a major general of the Thirteenth Division of the State militia from 1812 to 1814.
Marchand was elected as a Democratic-Republican to the Fifteenth Congress and reelected to the Sixteenth Congress. He was elected prothonotary of Westmoreland County in 1821. He resumed the practice of medicine and died in Greensburg, Pennsylvania, in 1832. Interment in Greensburg Cemetery.
- United States Congress. "David Marchand (id: M000124)". Biographical Directory of the United States Congress.
- The Political Graveyard