John Deaton

Republican nominee for U.S. Senate

Appears in 1 story

Born: Highland Park, Michigan

Party: Republican

Education: Eastern Michigan University

Last updated Nov 2, 2026

Election night

Ed Markey beat Deaton: U.S. Senate, Massachusetts.

Against Ed Markey (D) · Cook rating: Solid D

See the race

Stories

Ed Markey defeats Seth Moulton in Massachusetts Senate primary

Rule Changes

As of September 2026: Lost general election to Markey

Ed Markey won a third full Senate term on Nov. 3, defeating Republican John Deaton, the Associated Press projected. The win keeps Massachusetts' Senate seats in Democratic hands.

Updated Sep 4