Root form: Aileagán
Irish-language surnames
Ó hAileagáin, Uí Aileagáin, Ní Aileagáin
Male form
- Nominative
- Seán Ó hAileagáin
- Genitive
- Sheáin Uí Aileagáin
- Vocative
- a Sheáin Uí Aileagáin
Wife form
- Nominative
- Síle Uí Aileagáin
- Genitive
- Shíle Uí Aileagáin
- Vocative
- a Shíle Uí Aileagáin
Daughter form
- Nominative
- Síle Ní Aileagáin
- Genitive
- Shíle Ní Aileagáin
- Vocative
- a Shíle Ní Aileagáin
English-language surnames
- Halligan