Muireann
Meaningfair as the sea · Irish
Muireann is a Gaelic and Irish girl name meaning “fair as the sea”. Irish names are loved for their lilting sound and their links to Celtic saints and legends. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds crisp and confident, it's a longer name that leaves plenty of room for nicknames, and it pairs well with middle names of almost any length.
Did you know?
- GenerationMuireann peaked in 2015, which makes it a Gen Alpha name. The typical Muireann you'd meet today is about 10 years old.
- HistoryMuireann first shows up in US birth records in 2008, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
US births per million girls, 2008–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Muireann
Muireann is a girl name of Gaelic and Irish origin meaning “fair as the sea”. Its two syllables give it an easy rhythm, and the consonant at the end gives it a confident finish. It's a fresh, modern name that only arrived in US birth records in recent decades. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Gaelic namesIrish names
More Gaelic girl names
- Girl name: Nora · honor
- Girl name: Hazel · hazel tree
- Girl name: Isla · from Islay
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Quinn · descendant of Conn
- Girl name: Alana · possibly little rock
Questions about the name Muireann
What does the name Muireann mean?
Muireann means “fair as the sea” and comes from Irish. Names built around “sea” have been loved for generations, and give a child a meaning worth sharing when someone asks about their name. Other girl names with a similar meaning include Kai (“sea”), Kehlani (“sea and sky”), Rosemary (“dew of the sea”) and Kailani (“sea and sky”).
What is the origin of the name Muireann?
Muireann is Gaelic and Irish in origin. Names often travel between languages and cultures, which is why Muireann turns up in more than one tradition. Other Gaelic names to consider are Nora (“honor”), Hazel (“hazel tree”), Isla (“from Islay”) and Riley (“rye clearing”).
Is Muireann a boy or girl name?
Muireann is a girl name.
How popular is the name Muireann?
Muireann is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2015. It peaked at #16,419 in 2015, so it's a name with history that few kids share today.
What names are similar to Muireann?
If you like Muireann, you might also like Kai, Kehlani, Rosemary and Kailani.
What should I know before naming my baby Muireann?
Muireann is a Gaelic and Irish girl name meaning “fair as the sea”. Irish names are loved for their lilting sound and their links to Celtic saints and legends. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds crisp and confident, it's a longer name that leaves plenty of room for nicknames, and it pairs well with middle names of almost any length. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.