Millard Evelyn Tydings (1890-1961), a longtime prominent political figure in Maryland and a U.S. senator from 1927 to 1951, was the son of a Southern Maryland waterman and the Havre de Grace lighthouse keeper's daughter.
His father, Millard Fillmore Tydings, was from Calvert County and moved to Havre de Grace in 1888. The senator's mother was Mary O'Neill, the great- granddaughter of Lt. John O'Neill, who held his ground against the British incursion at Havre de Grace in 1813.
Millard Tydings was a political moderate who as chairman of the Senate Armed Services Committee clashed with Sen. Joseph R. McCarthy over the Wisconsin senator's communist-hunting tactics.
Throughout his Washington career, Tydings kept his roots in Harford County. In 1935, he purchased the Oakington estate overlooking the Susquehanna. Today, that property is the Father Martin's Ashley rehabilitation center. The Millard E. Tydings Memorial Bridge, which carries Interstate 95 across the Susquehanna River between Havre de Grace and Perryville, was named after the senator and opened in November 1963, along with the interstate.
[Source: Havre de Grace: An Informal History, edited by Peter A. Jay.]Research: Harford County Public Library, answers.com/topic/millard-e-tydings-memorial