Male form
- Nominative
- Seán Mac Dhubháin
- Genitive
- Sheáin Mhic Dhubháin
- Vocative
- a Sheáin Mhic Dhubháin
Wife form
- Nominative
- Síle Mhic Dhubháin
- Genitive
- Shíle Mhic Dhubháin
- Vocative
- a Shíle Mhic Dhubháin
Daughter form
- Nominative
- Síle Nic Dhubháin
- Genitive
- Shíle Nic Dhubháin
- Vocative
- a Shíle Nic Dhubháin
Male form
- Nominative
- Seán Mac Dhuáin
- Genitive
- Sheáin Mhic Dhuáin
- Vocative
- a Sheáin Mhic Dhuáin
Wife form
- Nominative
- Síle Mhic Dhuáin
- Genitive
- Shíle Mhic Dhuáin
- Vocative
- a Shíle Mhic Dhuáin
Daughter form
- Nominative
- Síle Nic Dhuáin
- Genitive
- Shíle Nic Dhuáin
- Vocative
- a Shíle Nic Dhuáin
Male form
- Nominative
- Seán Mag Dhubháin
- Genitive
- Sheáin Mhig Dhubháin
- Vocative
- a Sheáin Mhig Dhubháin
Wife form
- Nominative
- Síle Mhig Dhubháin
- Genitive
- Shíle Mhig Dhubháin
- Vocative
- a Shíle Mhig Dhubháin
Daughter form
- Nominative
- Síle Nig Dhubháin
- Genitive
- Shíle Nig Dhubháin
- Vocative
- a Shíle Nig Dhubháin