Kennedy, of Irish origin, is a popular unisex given name that has been widely used throughout the world. It gained significant prominence due to its association with one of America's most notable political families, the Kennedys. The name Kennedy is derived from the Irish surname Ó Ceannéidigh, which translates to "descendant of Ceannéidigh," a ancient chieftain. In some instances, Kennedy has also been used as a surname, particularly in Scotland where it is believed to have originated from the Gaelic name MacDhùghallain, meaning "son of Dougal." The name Kennedy has been popular among various cultures and generations, with notable individuals bearing this name including U.S. President John F. Kennedy and his brother Robert F. Kennedy, as well as American actresses like Kennedy McMann and Kennedy Miller.
The name Kennedy experienced a peak in popularity between 1997 and 1998 with 7 and 10 births respectively, but has since declined, averaging around 5 births per year from 2008 onwards, with a total of 70 births over the given period.