Root form: Earcán
Irish-language surnames
Ó hEarcáin, Uí Earcáin, Ní Earcáin
Male form
- Nominative
- Seán Ó hEarcáin
- Genitive
- Sheáin Uí Earcáin
- Vocative
- a Sheáin Uí Earcáin
Wife form
- Nominative
- Síle Uí Earcáin
- Genitive
- Shíle Uí Earcáin
- Vocative
- a Shíle Uí Earcáin
Daughter form
- Nominative
- Síle Ní Earcáin
- Genitive
- Shíle Ní Earcáin
- Vocative
- a Shíle Ní Earcáin
English-language surnames
- Harkin