Root form: Céileachar
Irish-language surnames
Ó Céileachair, Uí Chéileachair, Ní Chéileachair
Male form
- Nominative
- Seán Ó Céileachair
- Genitive
- Sheáin Uí Chéileachair
- Vocative
- a Sheáin Uí Chéileachair
Wife form
- Nominative
- Síle Uí Chéileachair
- Genitive
- Shíle Uí Chéileachair
- Vocative
- a Shíle Uí Chéileachair
Daughter form
- Nominative
- Síle Ní Chéileachair
- Genitive
- Shíle Ní Chéileachair
- Vocative
- a Shíle Ní Chéileachair
English-language surnames
- Kelleher
- Keller