Meaning A variant of the name Mary, from the Hebrew meaning 'bitterness' or 'longed for child'. Origin of Mhairi Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Mhairi MahHHAARiy Similar Names Mirelle Maryjane Molly Mae My Molly May Molly Chloe-Louise Maryann Mia Minka Year by Year Popularity of Mhairi