From Irish 'muadhnait' meaning 'noble,' or Arabic 'muna' meaning 'wishes and desires.'
Mona carries at least two distinct etymological threads. In the Irish tradition, it derives from the Old Irish muadh, meaning "noble" or "good," and has been used as an anglicization of the Irish name Muadhnait. In Arabic, muna (مُنى) means "wishes" or "desires" — the plural of a word for longing and aspiration — giving the name a poetic, yearning quality.
Both traditions arrived in English usage and merged into a single name that feels both gentle and resolute. The name also has a connection to the ancient Greek and Latin world, where Mona was recorded as a name for the Isle of Anglesey in Wales. The name's most famous association is undeniably Leonardo da Vinci's portrait La Gioconda — known in English as the Mona Lisa, painted circa 1503–1519, likely depicting Lisa Gherardini.
The title "Mona" is a contraction of the Italian "Madonna" (my lady), cementing an association with graceful femininity and enigmatic beauty that has persisted for five centuries. In the 20th century, Mona enjoyed steady popularity across English-speaking and Arabic-speaking cultures alike. It appears in literature, film, and song — most memorably perhaps in Nat King Cole's 1950 recording of "Mona Lisa." Today it reads as quietly vintage, a name poised for rediscovery.