Male form
- Nominative
- Seán Ó Beirgin
- Genitive
- Sheáin Uí Bheirgin
- Vocative
- a Sheáin Uí Bheirgin
Wife form
- Nominative
- Síle Uí Bheirgin
- Genitive
- Shíle Uí Bheirgin
- Vocative
- a Shíle Uí Bheirgin
Daughter form
- Nominative
- Síle Ní Bheirgin
- Genitive
- Shíle Ní Bheirgin
- Vocative
- a Shíle Ní Bheirgin
Male form
- Nominative
- Seán Ó hAimhirgin
- Genitive
- Sheáin Uí Aimhirgin
- Vocative
- a Sheáin Uí Aimhirgin
Wife form
- Nominative
- Síle Uí Aimhirgin
- Genitive
- Shíle Uí Aimhirgin
- Vocative
- a Shíle Uí Aimhirgin
Daughter form
- Nominative
- Síle Ní Aimhirgin
- Genitive
- Shíle Ní Aimhirgin
- Vocative
- a Shíle Ní Aimhirgin