Root form: Eochaí
Irish-language surnames
Mac Eochaidh, Mhic Eochaidh, Nic Eochaidh
Male form
- Nominative
- Seán Mac Eochaidh
- Genitive
- Sheáin Mhic Eochaidh
- Vocative
- a Sheáin Mhic Eochaidh
Wife form
- Nominative
- Síle Mhic Eochaidh
- Genitive
- Shíle Mhic Eochaidh
- Vocative
- a Shíle Mhic Eochaidh
Daughter form
- Nominative
- Síle Nic Eochaidh
- Genitive
- Shíle Nic Eochaidh
- Vocative
- a Shíle Nic Eochaidh
English-language surnames
- Keogh
- Kehoe
- McKeogh