Save Type Surname (from given name) Usage Irish Pronounced Pron. KEHN-ə-dee [key·IPA] Meaning & HistoryExpand Links From the Irish name Ó Cinnéidigh meaning "descendant of Cennétig". This surname was borne by assassinated American president John F. Kennedy (1917-1963). Related NamesDetails VariantÓ CinnéidighGiven Name DescendantKennedy(Irish) Categories American presidential surnames, Virtua Tennis opponent characters