Root form: Eochagán
Irish-language surnames
Mac Eochagáin, Mhic Eochagáin, Nic Eochagáin
Male form
- Nominative
- Seán Mac Eochagáin
- Genitive
- Sheáin Mhic Eochagáin
- Vocative
- a Sheáin Mhic Eochagáin
Wife form
- Nominative
- Síle Mhic Eochagáin
- Genitive
- Shíle Mhic Eochagáin
- Vocative
- a Shíle Mhic Eochagáin
Daughter form
- Nominative
- Síle Nic Eochagáin
- Genitive
- Shíle Nic Eochagáin
- Vocative
- a Shíle Nic Eochagáin
English-language surnames
- Geoghegan