Root form: Ruanadh
Irish-language surnames
Ó Ruanaidh, Uí Ruanaidh, Ní Ruanaidh
Male form
- Nominative
- Seán Ó Ruanaidh
- Genitive
- Sheáin Uí Ruanaidh
- Vocative
- a Sheáin Uí Ruanaidh
Wife form
- Nominative
- Síle Uí Ruanaidh
- Genitive
- Shíle Uí Ruanaidh
- Vocative
- a Shíle Uí Ruanaidh
Daughter form
- Nominative
- Síle Ní Ruanaidh
- Genitive
- Shíle Ní Ruanaidh
- Vocative
- a Shíle Ní Ruanaidh
English-language surnames
- Rooney
Alternative English-language surnames
- Mulrooney