O'Reilly - name meaning and origin

The girl's name O'Reilly \o(')-reilly, o're(il)-ly\ is related to Riley.

The baby name O'Reilly sounds like Orielle, Orilla, Orella, Oriella and Oreolle. Other similar baby names are Reilly and Reilley.

O'Reilly is a very rare female first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name O'Reilly. Compare O'Reilly with related baby names.