All Souls was founded in 1821 as the First Unitarian Church of Washington; among the church's founding members were President John Quincy Adams, Vice President John C. Calhoun, and Charles Bulfinch (who designed the original church building at 6th and D Streets NW and more famously the United States Capitol).
The All Souls congregation was founded in 1821 as the First Unitarian Church of Washington; notable members included President John Quincy Adams, Vice President John C. Calhoun, and architect Charles Bulfinch, who designed the original church building at 6th and D Streets NW and also created the United States Capitol.