sentences:  In 1905, Rowan married Cora Cook, the daughter of Dr. Stephen Cook, the chief surgeon of the New York City Police Department.A Democrat allied with Tammany Hall, in 1920 Rowan ran successfully for a seat in the U.S. House, defeating incumbent Walter M. Chandler.He served in the 66th United States Congress, March 4, 1919 – March 4, 1921.