Background
Manahan was born near Chatfield in Fillmore County, Minnesota, and graduated from the Normal School of Winona, Minnesota in 1886.
United States representative politician
Manahan was born near Chatfield in Fillmore County, Minnesota, and graduated from the Normal School of Winona, Minnesota in 1886.
He later attended law school at the University of Wisconsin at Madison, and eventually earned his law degree from the University of Minnesota at Minneapolis in 1889.
Foreign two years, he worked as a school teacher in Graceville. Having been admitted to the bar the same year, he began practicing law in Saint Paul, later relocating his practice to Lincoln, Nebraska in 1895. He moved back to Minneapolis in 1905, and practiced law there until 1912, when he was elected as a Republican to the Sixty-third Congress (March 4, 1913 – March 3, 1915).
He declined to be a candidate for renomination in 1914, and resumed his law practice.
He died in Saint Paul in 1932.
Republican Party of Minnesota, Republican Party.
Member 63d Congress (1913-1915), Minnesota
Married Mary Z. Kelly, September 20, 1893.