Background
Hannifin was born on June 12, 1863 in Portland, Dodge County, Wisconsin.
Hannifin was born on June 12, 1863 in Portland, Dodge County, Wisconsin.
He graduated from high school in Waterloo, Wisconsin.
Foreign twelve years he was employed at a teaching school, and was also a farmer. He served as bookkeeper and secretary of the Waterloo Canning and Pickeling Company, and was the town clerk of Portland, Wisconsin. Hannifin was elected to the Assembly in 1902.
Additionally, he served as Clerk of Portland.
He was a Democrat.