Male form
- Nominative
- Seán Ó Gairbhith
- Genitive
- Sheáin Uí Ghairbhith
- Vocative
- a Sheáin Uí Ghairbhith
Wife form
- Nominative
- Síle Uí Ghairbhith
- Genitive
- Shíle Uí Ghairbhith
- Vocative
- a Shíle Uí Ghairbhith
Daughter form
- Nominative
- Síle Ní Ghairbhith
- Genitive
- Shíle Ní Ghairbhith
- Vocative
- a Shíle Ní Ghairbhith
Male form
- Nominative
- Seán Mac Gairbhith
- Genitive
- Sheáin Mhic Gairbhith
- Vocative
- a Sheáin Mhic Gairbhith
Wife form
- Nominative
- Síle Mhic Gairbhith
- Genitive
- Shíle Mhic Gairbhith
- Vocative
- a Shíle Mhic Gairbhith
Daughter form
- Nominative
- Síle Nic Gairbhith
- Genitive
- Shíle Nic Gairbhith
- Vocative
- a Shíle Nic Gairbhith