The name Kennedy is of Irish origin, derived from the family surname Ó Ceannéidigh. This surname was adopted as a first name in some regions over time. It is pronounced as 'KEHN-uh-dee', with the stress on the second syllable. The name gained significant popularity in English-speaking countries during the mid to late 20th century, particularly in North America and Australia.
"The name Kinnedy has seen varying popularity over the years, with peaks in 1997 (8 births), 2003 (11 births), and 2013 (9 births). The total number of babies named Kinnedy from 1996 to 2019 is 83."