Root form: Fiannacht
Irish-language surnames
Ó Fiannachta, Uí Fhiannachta, Ní Fhiannachta
Male form
- Nominative
- Seán Ó Fiannachta
- Genitive
- Sheáin Uí Fhiannachta
- Vocative
- a Sheáin Uí Fhiannachta
Wife form
- Nominative
- Síle Uí Fhiannachta
- Genitive
- Shíle Uí Fhiannachta
- Vocative
- a Shíle Uí Fhiannachta
Daughter form
- Nominative
- Síle Ní Fhiannachta
- Genitive
- Shíle Ní Fhiannachta
- Vocative
- a Shíle Ní Fhiannachta
English-language surnames
- Fenton
Alternative English-language surnames
- Finaghty