Male form
- Nominative
- Seán Ó Tiarnaigh
- Genitive
- Sheáin Uí Thiarnaigh
- Vocative
- a Sheáin Uí Thiarnaigh
Wife form
- Nominative
- Síle Uí Thiarnaigh
- Genitive
- Shíle Uí Thiarnaigh
- Vocative
- a Shíle Uí Thiarnaigh
Daughter form
- Nominative
- Síle Ní Thiarnaigh
- Genitive
- Shíle Ní Thiarnaigh
- Vocative
- a Shíle Ní Thiarnaigh
Male form
- Nominative
- Seán Ó Tighearnaigh
- Genitive
- Sheáin Uí Thighearnaigh
- Vocative
- a Sheáin Uí Thighearnaigh
Wife form
- Nominative
- Síle Uí Thighearnaigh
- Genitive
- Shíle Uí Thighearnaigh
- Vocative
- a Shíle Uí Thighearnaigh
Daughter form
- Nominative
- Síle Ní Thighearnaigh
- Genitive
- Shíle Ní Thighearnaigh
- Vocative
- a Shíle Ní Thighearnaigh