October 27, 1838, Buckfield, Maine.
August 28, 1915, Hingham, Massachusetts.
Hingham Cemetery, Hingham, Massachusetts.
John was the son of Zadoc Long and Julia Temple Davis. He married twice, to Mary Woodward Glover and Agnes Long.
He attended Harvard University, where he wrote prose and verse for a student magazine, and was chosen to compose an ode for his class’ graduation. He graduated Phi Beta Kappa in 1857.
Long spent two years as headmaster of Westford Academy in Westford, Massachusetts. He then attended Harvard Law School and became a member of the Massachusetts bar in 1861. He practiced law, first without success in Buckfield, Maine, then in Boston, Massachusetts.
Long settled in Hingham, Massachusetts, in 1869. He became active in politics in the 1870s, winning election to the state legislature in 1874.
He went on to serve as lieutenant governor (1879) and governor (1880–82) of the state of Massachusetts, and as a United States congressman (1883–89).
He also served as Secretary of the Navy under American president William McKinley (1897–1902). His under-secretary was future president Theodore Roosevelt.
Long’s works include a history of the Spanish-American War, and a verse translation of Virgil’s Aeneid.