Root form: Lorcán
Irish-language surnames
Ó Lorcáin, Uí Lorcáin, Ní Lorcáin
Male form
- Nominative
- Seán Ó Lorcáin
- Genitive
- Sheáin Uí Lorcáin
- Vocative
- a Sheáin Uí Lorcáin
Wife form
- Nominative
- Síle Uí Lorcáin
- Genitive
- Shíle Uí Lorcáin
- Vocative
- a Shíle Uí Lorcáin
Daughter form
- Nominative
- Síle Ní Lorcáin
- Genitive
- Shíle Ní Lorcáin
- Vocative
- a Shíle Ní Lorcáin
English-language surnames
- Larkin