Root form: Gilbeirt
Irish-language surnames
Gilbeirt, Gilbeirt
Male form
- Nominative
- Seán Gilbeirt
- Genitive
- Sheáin Gilbeirt
- Vocative
- a Sheáin Gilbeirt
Female form
- Nominative
- Síle Gilbeirt
- Genitive
- Shíle Gilbeirt
- Vocative
- a Shíle Gilbeirt
English-language surnames
- Gilbert