From Irish Gaelic 'Muirne' meaning 'beloved' or 'high-spirited'; associated with affection.
Myrna traces its roots to the ancient Irish and Gaelic name Muirne, meaning "beloved" or "tender affection," and appears in early Irish mythology as the mother of the legendary hero Fionn mac Cumhaill. The name carries a warmth embedded in its very sound — soft consonants and a rounded vowel that give it an almost musical quality. Some scholars also connect it to an Aramaic root related to myrrh, the aromatic resin that has symbolized preciousness and sorrow across Near Eastern cultures for millennia.
The name's most luminous twentieth-century bearer was Myrna Loy, the American actress who became one of Hollywood's brightest stars of the 1930s. Known for her natural wit and warmth opposite William Powell in the Thin Man series, Loy elevated the name to a kind of sophisticated glamour. She was ranked by the American Film Institute among the greatest female screen legends, and the name Myrna was inseparable from her graceful, intelligent persona during the golden age of cinema.
Though the name peaked in American usage during the 1920s through 1940s — riding the wave of Loy's fame — it has since settled into a quiet rarity, which gives it a vintage allure for modern parents seeking something uncommon but historically grounded. It occupies that appealing space between old-fashioned and timeless, evoking an era of smoky glamour and sharp wit without feeling impossibly dated.