Declensions

Explore the five declensions of Irish nouns: detailed rules, stem endings, genitive singular inflections, and irregular noun patterns.

  1. ArticleOverviewAn overview of the five main noun declensions in Irish, classified by how they form the genitive singular case.
  2. ArticleFirst DeclensionLearn the rules for the first declension of Irish nouns, which includes masculine nouns ending in a broad consonant.
  3. ArticleSecond DeclensionLearn how to form the cases and plurals of feminine nouns in the second declension, one of the most common noun classes in Irish.
  4. ArticleThird DeclensionLearn how to form the cases and plurals of masculine and feminine nouns belonging to the third declension in Irish.
  5. ArticleFourth DeclensionLearn the rules for the fourth declension of Irish nouns, which covers most nouns ending in a vowel and all diminutive nouns ending in -ín.
  6. ArticleFifth DeclensionLearn about the 5th declension of Irish nouns, which includes many feminine nouns and terms of kinship, and how to form their genitive and plural cases.
  7. ArticleIrregular NounsA guide to the most common Irish nouns with irregular declensions, including their case forms and historical notes.