Save Type Surname (from given name) Usage Irish Pronounced Pron. /ˈoː ˈmˠa.dˠə.jiːnʲ/ [key·simplify] Meaning & History Means "descendant of Madaihín", a given name derived from Irish madadh meaning "dog, mastiff". Related NamesDetails VariantsMadden, Madigan Categories animals, canines