Root form: Reachtagán
Irish-language surnames
Ó Reachtagáin, Uí Reachtagáin, Ní Reachtagáin
Male form
- Nominative
- Seán Ó Reachtagáin
- Genitive
- Sheáin Uí Reachtagáin
- Vocative
- a Sheáin Uí Reachtagáin
Wife form
- Nominative
- Síle Uí Reachtagáin
- Genitive
- Shíle Uí Reachtagáin
- Vocative
- a Shíle Uí Reachtagáin
Daughter form
- Nominative
- Síle Ní Reachtagáin
- Genitive
- Shíle Ní Reachtagáin
- Vocative
- a Shíle Ní Reachtagáin
English-language surnames
- Rattigan
Alternative English-language surnames
- Rhatigan