Baby Names of Ireland

Irish Names Starting with M

22 Irish names beginning with M for girls and boys, with what each one means and how to say it.

Updated September 2026

Of the 22 Irish names starting with M here, 19 are for girls and 3 for boys. The ones readers look up most are Maeve, Maebh and Muireann.

The M names on this page that the most babies were given in 2025, by the Central Statistics Office’s ranking (girls and boys are ranked separately).

  1. No. 38 girlsMéabh116 babies
  2. No. 196 girlsMuireann22 babies
  3. No. 372 boysMalachy10 babies
  4. No. 381 girlsMairéad10 babies
  5. No. 577 boysMalachi5 babies
  6. No. 718 girlsMáire4 babies
  7. No. 718 girlsMona4 babies

Irish girl names starting with M

Maebh

pronounced MAYV

From an old Irish name Madb, “the cause of great joy” or “she who intoxicates.”

More about Maebh

Maire

pronounced MY-ra

The name that was used in Ireland for Our Lady was Muire and interestingly, her name was so honored that it was rarely used as a first name until the end of the fifteenth century.

More about Maire

Mairead

pronounced mawr-AID

Mairéad is the Irish form of Margaret, from the Latin Margarita and the Greek margarites, “pearl.”

More about Mairead

Maolisa

pronounced mail-ISSA

Maolisa is a simplified spelling of the Irish Maolíosa (Old Irish Máel Ísu), from maol “devotee, servant” and Íosa “Jesus,” so “servant of Jesus” or “devotee of Jesus.”

More about Maolisa

Meara

pronounced MEER-a

Meara is usually explained through the Irish mara, the form of muir, “sea,” that means “of the sea” (it is also the plural, “seas”).

More about Meara

Mona

pronounced MO-na

Muadhnat “little noble one” is one possible source of the name. The Normans brought Monique, “giver of advice,” or it could refer to Madonna, “lady” as in the Mona Lisa.

More about Mona

Muireann

pronounced MUR-in

Means “sea white, sea fair.” The very appropriate name of the 6th century mermaid caught by a fisherman in Lough Neagh.

More about Muireann

Muirgheal

pronounced MUR-el

Muirgheal comes from the Old Irish Muirgel, from muir “sea” and geal “bright,” so “sea-bright” or, as Patrick Woulfe put it in 1923, “fair one of the sea.”

More about Muirgheal

Muirne

pronounced MIR-ne

Muirne means “high-spirited, festive.” Muirne loved Conall who was from an opposing tribe.

More about Muirne

Irish boy names starting with M

Malachi

pronounced MALA-ki

A name with two sources, St. Malachi (1095-1148 AD) was the Bishop of Armagh who adopted the name from the Hebrew prophet “Malachi” whose name means “my angel” or “messenger of God.”

More about Malachi

Malachy

pronounced MALA-ki

A name with two sources, St. Malachi (1095-1148 AD) was the Bishop of Armagh who adopted the name from the Hebrew prophet “Malachi” whose name means “my angel” or “messenger of God.”

More about Malachy

Murtagh

pronounced MUR-tah

From muir “sea” and ceardach “skilled” implying “skilled in the ways of the sea.”

More about Murtagh

Irish names by letter

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