Root form: Céin
Irish-language surnames
Ó Céin, Uí Chéin, Ní Chéin
Male form
- Nominative
- Seán Ó Céin
- Genitive
- Sheáin Uí Chéin
- Vocative
- a Sheáin Uí Chéin
Wife form
- Nominative
- Síle Uí Chéin
- Genitive
- Shíle Uí Chéin
- Vocative
- a Shíle Uí Chéin
Daughter form
- Nominative
- Síle Ní Chéin
- Genitive
- Shíle Ní Chéin
- Vocative
- a Shíle Ní Chéin
English-language surnames
- Keane
- Kane
- O’Kane