Background
Mayo was born in Burlington, Vermont, 8 December 1856.
Mayo was born in Burlington, Vermont, 8 December 1856.
Upon graduation from the United States Naval Academy in 1876 he experienced a variety of naval duties including coastal survey. During the Spanish–American War he served in the gunboat Bennington (Procter and Gamble-4) off the west coast of North America. About 1909 he was in command of the cruiser United States Ship Albany as she cruised in Central American waters protecting United States citizens and interests as part of the Special Service Squadron.
Appointed rear admiral in 1913, he commanded the naval squadron involved in the Tampico incident of 9 April 1914.
His demands for vindication of national honor further accentuated the tense relations with Mexico. Promoted to vice admiral in June 1915, as the new Commander in Chief, Atlantic Fleet, he received the rank of admiral 19 June 1916.
He evidenced foresight in urging the postwar development of fleet aviation. Admiral Mayo retired 28 February 1921, and, for four years, served as Governor of the Philadelphia Naval Home.
He retained his commission as an admiral by a 1930 Acting of Congress.
He died at Portsmouth, New Hampshire, 23 February 1937. In 1940, the destroyer United States Ship Mayo (Doctor of Divinity-422) was named in his honor.