Male form
- Nominative
- Seán Ó Duibhghiolla
- Genitive
- Sheáin Uí Dhuibhghiolla
- Vocative
- a Sheáin Uí Dhuibhghiolla
Wife form
- Nominative
- Síle Uí Dhuibhghiolla
- Genitive
- Shíle Uí Dhuibhghiolla
- Vocative
- a Shíle Uí Dhuibhghiolla
Daughter form
- Nominative
- Síle Ní Dhuibhghiolla
- Genitive
- Shíle Ní Dhuibhghiolla
- Vocative
- a Shíle Ní Dhuibhghiolla
Male form
- Nominative
- Seán Ó Duíghiolla
- Genitive
- Sheáin Uí Dhuíghiolla
- Vocative
- a Sheáin Uí Dhuíghiolla
Wife form
- Nominative
- Síle Uí Dhuíghiolla
- Genitive
- Shíle Uí Dhuíghiolla
- Vocative
- a Shíle Uí Dhuíghiolla
Daughter form
- Nominative
- Síle Ní Dhuíghiolla
- Genitive
- Shíle Ní Dhuíghiolla
- Vocative
- a Shíle Ní Dhuíghiolla