Root form: Oisín
Irish-language surnames
Ó hOisín, Uí Oisín, Ní Oisín
Male form
- Nominative
- Seán Ó hOisín
- Genitive
- Sheáin Uí Oisín
- Vocative
- a Sheáin Uí Oisín
Wife form
- Nominative
- Síle Uí Oisín
- Genitive
- Shíle Uí Oisín
- Vocative
- a Shíle Uí Oisín
Daughter form
- Nominative
- Síle Ní Oisín
- Genitive
- Shíle Ní Oisín
- Vocative
- a Shíle Ní Oisín
Mac Oisín, Mhic Oisín, Nic Oisín
Male form
- Nominative
- Seán Mac Oisín
- Genitive
- Sheáin Mhic Oisín
- Vocative
- a Sheáin Mhic Oisín
Wife form
- Nominative
- Síle Mhic Oisín
- Genitive
- Shíle Mhic Oisín
- Vocative
- a Shíle Mhic Oisín
Daughter form
- Nominative
- Síle Nic Oisín
- Genitive
- Shíle Nic Oisín
- Vocative
- a Shíle Nic Oisín
English-language surnames
- Hession
- Cushen