Meaning A boy's name of Gaelic origin, it means "Son of an Heir." Origin of Mac Nair Gaelic , Irish Popular Middle Names Pronunciation 🔊 Listen Mac Nair Similar Names Mac a’bhaird Mac a’bhiadhtaiche Mac Adhaimh Mac Ailean Mac Alasdair Mac an Aba Mac an Bharain Mac an Bhreatannai Mac Artuir Mac Asgaill Year by Year Popularity of Mac Nair