Baby Names of Ireland

Muireann: Meaning, Pronunciation and Origin

Muireann is an Irish girl's name meaning “sea white, sea fair.” Here’s how to say it, where it comes from, and names that go well with it.

Updated September 2026

How to say it
MUR-inTwo syllables, stress on the first
Meaning
Sea white, sea fair
Gender
Girl
English forms
Miren, Moirin
Popularity in Ireland
No. 196 for girls (2025)

How do you pronounce Muireann?

Muireann is pronounced MUR-in. It has two syllables, with the stress on the first. Other spellings: Muirenn.

Hear Muireann said aloud, with its meaning (29 seconds, Baby Names of Ireland on YouTube).

What does Muireann mean?

Means “sea white, sea fair”. The very appropriate name of the 6th century mermaid caught by a fisherman in Lough Neagh. He brought her to St. Comghall who baptized her which transformed her into a woman.

In 2025, 22 baby girls in Ireland were named Muireann, which made it No. 196 that year. That's down from No. 139 ten years earlier. It was most popular in 2011, when 81 baby girls were named Muireann, No. 87 that year. It first appears in the records in 1965, with 5 baby girls.

05010019701980199020002010202081 in 201122 in 2025
Baby girls named Muireann each year. Source: Central Statistics Office, Irish Babies’ Names 2025 (data: table VSA60, girls' names, CC BY 4.0).
See the numbers by year
YearBabiesRank
202522No. 196
202426No. 171
202319No. 221
202226No. 183
202126No. 184
202026No. 178
201933No. 160
201835No. 151
201748No. 122
201657No. 101
201543No. 139
201455No. 110
201349No. 124
201250No. 121
201181No. 87
201056No. 120
200961No. 107
200871No. 96
200767No. 91
200640No. 135
200545No. 116
200440No. 122
200327No. 159
200223No. 170
200142No. 116
200031No. 132
199926No. 142
199824No. 148
199736No. 137
199641No. 129
199528No. 160
199423No. 179
199318No. 213
199219No. 213
199111No. 284
199018No. 214
198915No. 240
198824No. 185
198728No. 179
198617No. 227
198524No. 203
198410No. 308
198314No. 267
198222No. 225
198122No. 225
198018No. 245
197912No. 303
197820No. 230
197710No. 311
197615No. 252
197511No. 282
19749No. 300
197313No. 271
19724No. 428
19719No. 289
19705No. 363
196910No. 265
19685No. 327
19676No. 288
19663No. 380
19655No. 297

Muireann in Ogham

Ogham is the oldest way of writing Irish. It was carved along the edges of standing stones, mostly between the 4th and 6th centuries, and read from the bottom up. In later tradition each letter was named after a tree or plant. Here’s Muireann, letter by letter.

᚛ᚋᚒᚔᚏᚓᚐᚅᚅ᚜
  1. MMuin, vine
  2. UÚr, heather
  3. IIodhadh, yew
  4. RRuis, elder
  5. EEadhadh, aspen
  6. AAilm, pine
  7. NNion, ash
  8. NNion, ash

Write any name in Ogham with our Ogham translator

Names that go with Muireann

Questions about Muireann

How do you pronounce Muireann?
Muireann is pronounced MUR-in. Two syllables, stress on the first. There's a short video above where you can hear it said.
What does Muireann mean?
Muireann means “sea white, sea fair.”
Is Muireann a girl's name or a boy's name?
Muireann is a girl's name.
What is Muireann in English?
The English forms of Muireann are Miren and Moirin.
How popular is Muireann in Ireland?
In 2025, Muireann was No. 196 for girls in Ireland, with 22 babies, according to the Central Statistics Office. It was most popular in 2011, at No. 87.