Male form
- Nominative
- Seán Ó Proinntigh
- Genitive
- Sheáin Uí Phroinntigh
- Vocative
- a Sheáin Uí Phroinntigh
Wife form
- Nominative
- Síle Uí Phroinntigh
- Genitive
- Shíle Uí Phroinntigh
- Vocative
- a Shíle Uí Phroinntigh
Daughter form
- Nominative
- Síle Ní Phroinntigh
- Genitive
- Shíle Ní Phroinntigh
- Vocative
- a Shíle Ní Phroinntigh
Male form
- Nominative
- Seán Ó Pronntaigh
- Genitive
- Sheáin Uí Phronntaigh
- Vocative
- a Sheáin Uí Phronntaigh
Wife form
- Nominative
- Síle Uí Phronntaigh
- Genitive
- Shíle Uí Phronntaigh
- Vocative
- a Shíle Uí Phronntaigh
Daughter form
- Nominative
- Síle Ní Phronntaigh
- Genitive
- Shíle Ní Phronntaigh
- Vocative
- a Shíle Ní Phronntaigh