Education
Born at Linn Creek, Missouri, Roach attended the public schools and the Saint Louis Law School (now Washington University) in Saint Louis.
Born at Linn Creek, Missouri, Roach attended the public schools and the Saint Louis Law School (now Washington University) in Saint Louis.
He was admitted to the bar in 1897 and commenced practice at Linn Creek, Missouri. He served as prosecuting attorney for Camden County in 1898–1909. He served as delegate to the Republican National Convention in 1912.
Roach was elected as a Republican to the Sixty-seventh and Sixty-eighth Congresses (March 4, 1921 – March 3, 1925).
He served as chairman of the Committee on Expenditures in the Department of Justice (Sixty-eighth Congress). He was an unsuccessful candidate for reelection in 1924 to the Sixty-ninth Congress.
He moved to Saint Louis, Missouri, December 27, 1924, and resumed the practice of law. He died at Kansas City, Missouri, June 29, 1934.
He was interred in Roach Cemetery near Roach, Missouri.
He served as member of the board of directors of the National Bank of Linn Creek in 1900–1924. He served as member of the State house of representatives in 1909–1913.