Male form
- Nominative
- Seán Mac Oitir
- Genitive
- Sheáin Mhic Oitir
- Vocative
- a Sheáin Mhic Oitir
Wife form
- Nominative
- Síle Mhic Oitir
- Genitive
- Shíle Mhic Oitir
- Vocative
- a Shíle Mhic Oitir
Daughter form
- Nominative
- Síle Nic Oitir
- Genitive
- Shíle Nic Oitir
- Vocative
- a Shíle Nic Oitir
Male form
- Nominative
- Seán Mac Coitir
- Genitive
- Sheáin Mhic Coitir
- Vocative
- a Sheáin Mhic Coitir
Wife form
- Nominative
- Síle Mhic Coitir
- Genitive
- Shíle Mhic Coitir
- Vocative
- a Shíle Mhic Coitir
Daughter form
- Nominative
- Síle Nic Coitir
- Genitive
- Shíle Nic Coitir
- Vocative
- a Shíle Nic Coitir