Born near
Mapleton, Iowa, According to an interview his son Leslie Boslaugh, he studied at
Drake University, but did not like it and moved to Nebraska. Boslaugh graduated from the
University of Nebraska College of Law in 1903 and gained
admission to the bar in Nebraska that same year. Boslaugh began practicing law in
Harvard, Nebraska, in association with
L. G. Hurd, who was later elected to the district court bench. In 1913, Boslaugh moved to Hastings, Nebraska, where he entered into partnership with Judge
L. B. Stiner, later joined by their respective sons,
Leslie Boslaugh and Lester Stiner. Among his most prominent cases before joining the bench was his representation of the State of Nebraska in the John O'Connor Estate litigation, a long-running matter in the state's courts. He was also an attorney for the Central Nebraska Public Power and Irrigation District. Outside of his legal practice, Boslaugh was president of the Nebraska State Bar Association in 1942, a member of the Judicial Council of Nebraska from 1941 to 1950, and served in the House of Delegates of the American Bar Association from 1942 to 1954. He also acted as a consultant to the 1943 Nebraska Statute Revision Commission. He also served for 21 years on the Hastings Board of Education and held leadership roles in the Chamber of Commerce and Rotary Club. ==Judicial service==