Lewis Cass Ledyard (April 4, 1851 – January 27, 1932) was a New York City lawyer. He was a partner at the firm Carter Ledyard & Milburn, personal counsel to J.P. Morgan, and a president of the New York City Bar Association.
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Early life
Lewis Cass Ledyard was born in Detroit, Michigan, in 1851, to an established American family. He was the fourth of five children born to Henry Brockholst Ledyard (1812–1880) and Matilda Frances Cass (1808–1898). His father was a lawyer, diplomat, and mayor of Detroit. Ledyard had three sisters and a brother, Henry Brockholst Ledyard, who became president of the Michigan Central Railroad and was a well-known philanthropist.
His paternal grandparents were Benjamin Ledyard (1779–1812), a prominent New York attorney, and Susan French (née Livingston) (1789–1864). His grandmother was the daughter of Revolutionary War Colonel and U.S. Supreme Court Justice Henry Brockholst Livingston (1757–1823) and granddaughter of the first governor of New Jersey William Livingston.



