Male form
- Nominative
- Seán Mac Fhlaithimh
- Genitive
- Sheáin Mhic Fhlaithimh
- Vocative
- a Sheáin Mhic Fhlaithimh
Wife form
- Nominative
- Síle Mhic Fhlaithimh
- Genitive
- Shíle Mhic Fhlaithimh
- Vocative
- a Shíle Mhic Fhlaithimh
Daughter form
- Nominative
- Síle Nic Fhlaithimh
- Genitive
- Shíle Nic Fhlaithimh
- Vocative
- a Shíle Nic Fhlaithimh
Male form
- Nominative
- Seán Mac Laithimh
- Genitive
- Sheáin Mhic Laithimh
- Vocative
- a Sheáin Mhic Laithimh
Wife form
- Nominative
- Síle Mhic Laithimh
- Genitive
- Shíle Mhic Laithimh
- Vocative
- a Shíle Mhic Laithimh
Daughter form
- Nominative
- Síle Nic Laithimh
- Genitive
- Shíle Nic Laithimh
- Vocative
- a Shíle Nic Laithimh