Murphy is an Irish surname making a slow, deliberate crossing into first-name territory for girls, and its 2024 peak suggests that crossing is still in progress. With only about 3,900 recorded uses, it's genuinely uncommon, occupying the same gender-fluid surname-name space as Riley, Quinn, and Finley, but with a scrappier, more unexpected edge.
The Most Common Irish Surname in the World
Murphy derives from the Irish Ó Murchadha, meaning "descendant of Murchadh," a personal name combining muir ("sea") and cath ("battle"), giving it the evocative meaning "sea-warrior." It is, by many counts, the most common surname in Ireland and one of the most common surnames among people of Irish descent worldwide. That ubiquity as a surname makes it paradoxically rare as a first name — nobody has "used it up" yet. Browse Irish names for the full landscape of Gaelic-derived options.
The Sitcom Association
Murphy Brown — the fictional news anchor played by Candice Bergen in the long-running CBS sitcom — is probably the most prominent American cultural reference for Murphy as a girl's name. The character was sharp, ambitious, and famously unmarried-with-a-child in the early 1990s. That's actually a strong cultural anchor for a name: a competent, independent woman. More recently, Murphy is a main character in the post-apocalyptic drama The 100. Both references skew the name as belonging to strong female leads.
Will It Stay Gendered Neutral?
Murphy is still predominantly male in U.S. data, though the female usage is growing. Parents giving it to daughters are making a conscious choice in that direction, and the name has enough phonetic softness (the -y ending, the liquid m) to work well for girls without feeling forced. Compare it with Finley, which made a similar gender crossing earlier and has normalized completely. Murphy is about a decade behind that arc.