Root form: Aolán
Irish-language surnames
Ó hAoláin, Uí Aoláin, Ní Aoláin
Male form
- Nominative
- Seán Ó hAoláin
- Genitive
- Sheáin Uí Aoláin
- Vocative
- a Sheáin Uí Aoláin
Wife form
- Nominative
- Síle Uí Aoláin
- Genitive
- Shíle Uí Aoláin
- Vocative
- a Shíle Uí Aoláin
Daughter form
- Nominative
- Síle Ní Aoláin
- Genitive
- Shíle Ní Aoláin
- Vocative
- a Shíle Ní Aoláin
English-language surnames
- Hyland
Alternative English-language surnames
- Whelan
- Phelan
- Heelan