Root form: Déan
Irish-language surnames
Ó Déin, Uí Dhéin, Ní Dhéin
Male form
- Nominative
- Seán Ó Déin
- Genitive
- Sheáin Uí Dhéin
- Vocative
- a Sheáin Uí Dhéin
Wife form
- Nominative
- Síle Uí Dhéin
- Genitive
- Shíle Uí Dhéin
- Vocative
- a Shíle Uí Dhéin
Daughter form
- Nominative
- Síle Ní Dhéin
- Genitive
- Shíle Ní Dhéin
- Vocative
- a Shíle Ní Dhéin
English-language surnames
- Deane