Theron Ephron Catlin

Theron Ephron Catlin (May 16, 1878 – March 19, 1960) was a U.S. Representative from Missouri.

Born in St. Louis, Missouri, Catlin attended private schools. He graduated from Harvard University in 1899 and from the law department of the same institution in 1902.He was admitted to the bar in 1903 and commenced practice in St. Louis, Missouri.

He served as member of the State house of representatives 1907–1909.Presented credentials as a Republican Member-elect to the Sixty-second Congress and served from March 4, 1911, to August 12, 1912, when he was succeeded by Patrick F. Gill, who contested the election. He was an unsuccessful candidate for election in 1912 to the Sixty-third Congress.

He resumed the practice of law, and served as a member of the board of directors of St. Louis Union Trust Co.

He died in St. Louis, Missouri, March 19, 1960, and his remains were interred in Bellefontaine Cemetery.