Root form: Eideán
Irish-language surnames
Ó hEideáin, Uí Eideáin, Ní Eideáin
Male form
- Nominative
- Seán Ó hEideáin
- Genitive
- Sheáin Uí Eideáin
- Vocative
- a Sheáin Uí Eideáin
Wife form
- Nominative
- Síle Uí Eideáin
- Genitive
- Shíle Uí Eideáin
- Vocative
- a Shíle Uí Eideáin
Daughter form
- Nominative
- Síle Ní Eideáin
- Genitive
- Shíle Ní Eideáin
- Vocative
- a Shíle Ní Eideáin
English-language surnames
- Hayden