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O- meaning and name origin
O- \o\ as a boy's name is pronounced oh. It is of Irish origin, and the meaning of O- is "descendant of". Surnames occasionally used as given names.
O- has 4 variant forms: Odell, O'Keefe, O'Shay and O'Shea.
Baby names that sound like O- are Ja-, Je- and Jo.
Popularity of O-
Displayed below is the baby names popularity of the name O- for boys. (2010 statistics) Compare O- with its variant forms and related boy baby names.