Male form
- Nominative
- Seán Ó Laocha
- Genitive
- Sheáin Uí Laocha
- Vocative
- a Sheáin Uí Laocha
Wife form
- Nominative
- Síle Uí Laocha
- Genitive
- Shíle Uí Laocha
- Vocative
- a Shíle Uí Laocha
Daughter form
- Nominative
- Síle Ní Laocha
- Genitive
- Shíle Ní Laocha
- Vocative
- a Shíle Ní Laocha
Male form
- Nominative
- Seán Ó Laochdha
- Genitive
- Sheáin Uí Laochdha
- Vocative
- a Sheáin Uí Laochdha
Wife form
- Nominative
- Síle Uí Laochdha
- Genitive
- Shíle Uí Laochdha
- Vocative
- a Shíle Uí Laochdha
Daughter form
- Nominative
- Síle Ní Laochdha
- Genitive
- Shíle Ní Laochdha
- Vocative
- a Shíle Ní Laochdha