Fish had many notable ancestors and descendants.
* Through his ancestor Gilbert Livingston (b. 1690) he was a
second cousin four times removed of US Senator
Prescott Bush and his son
George H. W. Bush and grandson
George W. Bush, both
US Presidents.
* He had a son, a grandson and a great-grandson (all named Hamilton Fish) serve in the
U.S. House of Representatives for
New York:
** Son
Hamilton Fish II (1849–1936)
** Grandson
Hamilton Fish III (1888–1991)
** Great-grandson
Hamilton Fish IV (1926–1996)
* His great-great grandson
Hamilton Fish V ran for Congress in 1988 and 1994 (to succeed his retiring father) but lost. With other investors, Hamilton Fish V purchased
The Nation out of bankruptcy in 1977, and sold it in 1995, but remains connected to the foundation. He is also an adviser to
George Soros.
* Another son
Stuyvesant Fish was an important railroad executive
* Another son Nicholas Fish was a U.S. diplomat, who was appointed second secretary of legation at Berlin in 1871, became secretary in 1874, and was charge d'affaires at Berne in 1877-1881, and minister to Belgium in 1882-1886, after which he engaged in banking in New York City.
** Nicholas's son Hamilton Fish, a
Yale graduate, saw service in The
Spanish-American War, was one of the storied
Rough Riders and is one of the first of that regiment to be killed in action at Las Guasimas,
Cuba.
* Nephew
Stuyvesant Fish Morris, physician from New York
* Grand-nephew
Hamilton F. Kean, US Senator from New Jersey
* Great-grand-nephew
Thomas Kean, Governor of New Jersey
*
Albert Fish (1870–1936), American serial killer and cannibal, who was born Hamilton Fish in honor of his ancestor
See also: Fish family