Ó m (genitive singular Uí, nominative plural Uí)
- form of ó used in surnames.
- Forms with the definite article are not found.
- The form Ó triggers h-prothesis of a following vowel.
- The form Uí triggers lenition of a following consonant.
- The form Uíbh triggers no mutation of a following sound.
|Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.