Root form: Seán
Irish-language surnames
Mac Seáin, Mhic Sheáin, Nic Sheáin
Male form
- Nominative
- Seán Mac Seáin
- Genitive
- Sheáin Mhic Sheáin
- Vocative
- a Sheáin Mhic Sheáin
Wife form
- Nominative
- Síle Mhic Sheáin
- Genitive
- Shíle Mhic Sheáin
- Vocative
- a Shíle Mhic Sheáin
Daughter form
- Nominative
- Síle Nic Sheáin
- Genitive
- Shíle Nic Sheáin
- Vocative
- a Shíle Nic Sheáin
English-language surnames
- McShane
Alternative English-language surnames
- Johnson