Root form: Duinneacha
Irish-language surnames
Ó Duineacha, Uí Dhuineacha, Ní Dhuineacha
Male form
- Nominative
- Seán Ó Duineacha
- Genitive
- Sheáin Uí Dhuineacha
- Vocative
- a Sheáin Uí Dhuineacha
Wife form
- Nominative
- Síle Uí Dhuineacha
- Genitive
- Shíle Uí Dhuineacha
- Vocative
- a Shíle Uí Dhuineacha
Daughter form
- Nominative
- Síle Ní Dhuineacha
- Genitive
- Shíle Ní Dhuineacha
- Vocative
- a Shíle Ní Dhuineacha
English-language surnames
- Dennehy