Maurice A. Donahue was elected to the Massachusetts House of Representatives in 1948 as part of its first Democratic majority. In 1950, he was elected to the Massachusetts Senate, became Senate Majority Leader in 1958, and in 1964, became Senate President, a position he held until 1971 when he took the position of Professor of Political Science and Director of the Institute for Governmental Services at the University of Massachusetts. Legislation he sponsored while in the Senate established the Willis-Harrington Commission on Education, the University of Massachusetts Boston campus and Medical School, state scholarships for needy students, commissions to improve vocational education, study problems of urban school systems, and extend educational facilities in Massachusetts.
The Donahue Institute at the University of Massachusetts is named in his honor.