Gender Masculine Usage Irish Mythology Pronounced Pron. /ˈlˠuː.əi̯/(Irish) /ˈlˠuː.ə/(Irish) Meaning & History From Old Irish Lugaid, a combination of the name of the mythological figure Lugh and Old Irish dech "honour, better" [1]. This was the name of several characters in Irish legend, including the king Lugaid mac Con.