List of U.S. military vessels named after living Americans
The naming of United States Navy vessels after living people was common in the earliest years of American history, but as the 20th century began, the Navy had firmly established a practice of naming ships for people only after they had died. In 1969, a Navy panel formally decreed that warships would no longer be named after living persons.
Source: Wikipedia — List of U.S. military vessels named after living Americans (CC BY-SA 4.0)