Hamilton Fish II was a wealthy New Yorker who was a member of a prominent Fish family. During the Spanish–American War he joined the Rough Riders in the invasion of Cuba, where he died in the Battle of Las Guasimas.

Garrison is a hamlet in Putnam County, New York, United States. It is part of the town of Philipstown, on the east side of the Hudson River, across from the United States Military Academy at West Point. The Garrison Metro-North Railroad station serves the town. Garrison was named after 2nd Lieutenant Isaac Garrison, who held a property lot on the Hudson River across from West Point and conducted a ferry service across the Hudson River between the two hamlets. Isaac and his son Beverly Garrison fought in the Battle of Fort Montgomery in 1777, were captured by the British and later set free.