Skip to content

Biography · Politics & Public Life

Mo Cowan

1969–

United States

Source image for Mo CowanLoading image…
Visit the source record ↗

Biography

William Maurice "Mo" Cowan (born April 4, 1969) is an American politician who served as a United States senator from Massachusetts from February to July 2013. A member of the Democratic Party, he previously served as legal counsel and chief of staff to Governor Deval Patrick. Patrick appointed him on an interim basis to fill the vacancy left by fellow Democrat John Kerry, who resigned to become U.S. Secretary of State.

Sources & collection details

Wikipedia contributors — original record ↗

Black heritage reference ↗

Biography text · CC BY-SA 4.0 · Source checked 2026-10-13

Continue exploring Series 1

Civil Rights & Public Life →

Explore all Series 1 cards →