Male form
- Nominative
- Seán Ó Casaide
- Genitive
- Sheáin Uí Chasaide
- Vocative
- a Sheáin Uí Chasaide
Wife form
- Nominative
- Síle Uí Chasaide
- Genitive
- Shíle Uí Chasaide
- Vocative
- a Shíle Uí Chasaide
Daughter form
- Nominative
- Síle Ní Chasaide
- Genitive
- Shíle Ní Chasaide
- Vocative
- a Shíle Ní Chasaide
Male form
- Nominative
- Seán Ó Caiside
- Genitive
- Sheáin Uí Chaiside
- Vocative
- a Sheáin Uí Chaiside
Wife form
- Nominative
- Síle Uí Chaiside
- Genitive
- Shíle Uí Chaiside
- Vocative
- a Shíle Uí Chaiside
Daughter form
- Nominative
- Síle Ní Chaiside
- Genitive
- Shíle Ní Chaiside
- Vocative
- a Shíle Ní Chaiside