John T. Driscoll, a longtime chairman of the Massachusetts Turnpike Authority and onetime State Treasurer, died in Milton on Monday at age 93. Mr. Driscoll began his life in politics as a state representative for Ward 17 in Dorchester in the late 1950s before assuming the treasurer’s post. After retiring from the Turnpike Authority, he joined the staff of his alma mater, Boston College, as vice president for administration for 15 years.

Mr. Driscoll, one of five siblings himself, leaves five sons, two daughters, 21 grandchildren, four great-grandchildren, and his beloved companion Margaret (Peg) Vahey of Milton.

His funeral Mass will be held in Saint Agatha Church on Adams Street, Milton, on Fri., March 15, at 10:30 a.m. with interment to follow at Holyhood Cemetery in Brookline. Visiting hours are set for Thursday from 4 p.m. to 8 p.m. at the Dolan Funeral Home on Granite Ave. in East Milton Square.