David Marchand

David Marchand was a member of the U.S. House of Representatives from Pennsylvania. He 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. He had a son, Albert Gallatin Marchand.

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.