Darrow was elected to Congress as a Republican in 1914 to the 64th Congress and served until he was succeeded January 3, 1937. He had been an unsuccessful candidate for reelection in 1936. He was elected to the 67th Congress and served from January 3, 1939 to January 3, 1941. He was not a candidate for renomination in 1940.
Darrow died in Philadelphia, Pennsylvania,[1] and is buried there at Ivy Hill Cemetery.