From the Irish surname Ó Cinnéide 'descendant of Cinnéide', a personal name usually analysed as ceann 'head' plus a second element read as 'ugly' or 'helmeted'.
Likelythe main view, with some doubt.
Used as an American given name after John F. Kennedy, it became mainly a girls' name from the 1990s.
United States Social Security birth records, 1880 to today source
United States Social Security birth records, 1880 to today source
Meanings and histories are compiled from the study of names and their languages and checked by a second review.
Meanings and histories are drawn from the study of names and their languages, each with a confidence rating; popularity figures come from official birth records. Name histories are a living field: if you know of a correction, we would be glad to hear it.