Male form
- Nominative
- Seán Ó Cearnaigh
- Genitive
- Sheáin Uí Chearnaigh
- Vocative
- a Sheáin Uí Chearnaigh
Wife form
- Nominative
- Síle Uí Chearnaigh
- Genitive
- Shíle Uí Chearnaigh
- Vocative
- a Shíle Uí Chearnaigh
Daughter form
- Nominative
- Síle Ní Chearnaigh
- Genitive
- Shíle Ní Chearnaigh
- Vocative
- a Shíle Ní Chearnaigh
Male form
- Nominative
- Seán Ó Catharnaigh
- Genitive
- Sheáin Uí Chatharnaigh
- Vocative
- a Sheáin Uí Chatharnaigh
Wife form
- Nominative
- Síle Uí Chatharnaigh
- Genitive
- Shíle Uí Chatharnaigh
- Vocative
- a Shíle Uí Chatharnaigh
Daughter form
- Nominative
- Síle Ní Chatharnaigh
- Genitive
- Shíle Ní Chatharnaigh
- Vocative
- a Shíle Ní Chatharnaigh