Irish Girls First Names that Start with with M

There are some brilliant twists for girls’ names that start with M, such as Maríosa which is a blend of Mary and Melissa, or Máirín which means ‘little Mary’.

⭐ Our Favourite: Mórrígan

Pronunciation: MOR-ree-gan
First Used: Ancient Ireland, pre-Christian era
Meaning: “Great queen” or “phantom queen,” Mórrígan is a legendary figure from Irish mythology, associated with war, fate, and transformation. She often appeared as a crow, guiding warriors and influencing battles.
Why It’s Our Favourite: This name is steeped in mythology, power, and mystery. As a war goddess, Mórrígan embodies strength and destiny, making it one of the most formidable names in Irish history. Its deep cultural significance and hauntingly beautiful sound make it a standout choice.

🌊 Mary (Máire)

Pronunciation: MAR-ee
Meaning: An Irish form of Mary, derived from the Hebrew “Miriam,” meaning “beloved” or “drop of the sea.” Widely used in Ireland for centuries, Máire was traditionally given to girls in Catholic families. The name has been borne by many influential Irish women, including writer Máire Mhac an tSaoi.

🌿 Margaret (Máiréad)

Pronunciation: MAW-rayd
Meaning: A Gaelic form of Margaret, meaning “pearl.” This name has been popular since medieval times, often associated with Saint Margaret of Scotland. Máiréad Ní Ghráda, the Irish playwright, carried this name. It has an elegant, classic feel that has stood the test of time in Ireland.

🐑 Molly (Mallaidh)

Pronunciation: MAW-lee
Meaning: A diminutive of Mary, Molly has long been a beloved Irish name. Once a nickname, it became a name in its own right. Molly Malone, the famous figure in Dublin folklore, immortalized it. Mallaidh is the traditional Irish spelling, maintaining its soft, lyrical charm.

⚔️ Michaela (Mícheála)

Pronunciation: mih-KAY-lah
Meaning: The feminine form of Michael, meaning “who is like God?” in Hebrew. Mícheála is rare in Irish history but carries strength and reverence due to its biblical roots. Modern bearers of the name include Michaela Walsh, the Irish boxing champion.

🔥 Maeve (Méabh)

Pronunciation: MAYV
Meaning: An ancient name from Irish mythology, meaning “intoxicating.” Queen Medb (Méabh) of Connacht was a legendary warrior queen in the Ulster Cycle. Her name symbolizes power, ambition, and leadership. It remains a popular choice in Ireland and abroad.

🌸 Moira (Máire)

Pronunciation: MOY-rah
Meaning: A variation of Mary, Moira emerged as a common anglicized form. It has been used in literature and pop culture, including the character Moira Rose in Schitt’s Creek. It retains its Irish heritage while offering a sophisticated, vintage appeal.

🏞️ Mona (Muadhnait)

Pronunciation: MOH-nah
Meaning: Derived from “muadh,” meaning “noble” or “gentle.” It has been used in Ireland for centuries, though it is less common today. The name Mona Lisa may be famous worldwide, but in Ireland, Muadhnait carries a distinct, old-world charm.

💎 Mairéad

Pronunciation: MAW-rayd
Meaning: Another Irish form of Margaret, meaning “pearl.” It shares its roots with Máiréad but stands uniquely in its own right. Mairéad Ní Mhaonaigh, the Donegal singer and musician, has given the name modern musical prestige.

🌾 Martha

Pronunciation: MAR-tha
Meaning: Of Aramaic origin, meaning “lady” or “mistress of the house.” Though biblical, it became popular in Ireland due to Saint Martha. The Irish spelling, Marta, is less common but retains the name’s dignified, traditional feel.

🌺 Melanie (Meilí)

Pronunciation: MEL-ah-nee
Meaning: Derived from the Greek “melas,” meaning “dark” or “black,” Melanie has been adapted into Irish as Meilí. Though not traditionally Irish, it gained popularity through literature and media. The name evokes a sense of mystery and elegance, much like Melanie Hamilton from Gone with the Wind.

🌊 Marissa (Maríosa)

Pronunciation: mah-RISS-ah
Meaning: Likely a blend of Mary and Melissa, Marissa has a graceful, oceanic feel, fitting for Ireland’s coastal heritage. Maríosa is an Irish adaptation that retains its fluidity. The name became fashionable in the late 20th century, partly due to Marissa Cooper from The O.C..

🎭 Marlene (Marlíne)

Pronunciation: mar-LEEN
Meaning: A blend of Maria and Magdalene, Marlene gained fame through German actress Marlene Dietrich. Marlíne, its Irish form, is rare but carries an old-Hollywood charm. The name exudes sophistication and strength, making it a timeless choice.

🕊️ Marian (Muire)

Pronunciation: MAR-ee-an
Meaning: A repeat of Muire, the Irish equivalent of Marian, with strong religious connotations. It has been a popular name among nuns and saints, representing purity and devotion.

⚔️ Millicent (Mileasaint)

Pronunciation: MIL-ih-sent
Meaning: Of Germanic origin, meaning “strong in work” or “brave strength,” Millicent has been transformed into Mileasaint in Irish. Though rare in Ireland, it carries a medieval nobility, reminiscent of the Norman influence on Irish history.

🌊 Muriel (Muirgheal)

Pronunciation: MYUR-ee-el
Meaning: An ancient Irish name meaning “bright sea” or “shining water,” Muirgheal reflects Ireland’s deep maritime connections. It was once popular in medieval Ireland and Scotland. The name saw a revival in the early 20th century, with figures like author Muriel Spark giving it literary prestige.

🔥 Morna (Mórna)

Pronunciation: MOR-nah
Meaning: Rooted in old Irish tales, Morna is linked to warrior clans, particularly the legendary Fionn Mac Cumhaill’s enemies, the Clan Morna. Though historically associated with strength and battle, it has a soft and poetic feel in modern usage.

🍀 Muirne

Pronunciation: MUR-nah
Meaning: Meaning “festive” or “high-spirited,” Muirne is famous as the mother of Fionn Mac Cumhaill in Irish mythology. Her story is one of love and resilience, making the name both historical and meaningful.

🏔️ Máille

Pronunciation: MAW-lya
Meaning: Derived from “mall,” meaning “chieftain” or “prince,” Máille is famously associated with Grace O’Malley (Gráinne Mhaol), the legendary pirate queen of Ireland. The name symbolizes independence and strength, making it a powerful choice.

🌿 Máirín

Pronunciation: maw-REEN
Meaning: A diminutive of Máire, meaning “little Mary.” This affectionate name was once common in rural Ireland. It carries a gentle, traditional charm and was popularized by the Irish song Máirín na gCuach, which tells of a woman admired for her beauty and grace.

⚔️ Méibh

Pronunciation: MAYV
Meaning: An ancient Irish name meaning “intoxicating” or “she who rules.” Most famously borne by Queen Medb (Méibh) of Connacht, a fierce warrior queen from mythology. Her legendary battles in the Táin Bó Cúailnge make this name a symbol of power and ambition.

🌍 Míde

Pronunciation: MEE-duh
Meaning: A rare name linked to the ancient Kingdom of Mide, the historical heart of Ireland. It was believed to be a sacred land, home to the Hill of Tara. The name Míde evokes a deep connection to Irish heritage and ancient traditions.

🌊 Muireann

Pronunciation: MWIR-en
Meaning: Meaning “sea white” or “fair sea,” Muireann is tied to Irish mythology, where Muireann Munchaem was a legendary princess. The name is linked to the ocean, making it a fitting choice for those who love Ireland’s coastal beauty and folklore.

🔥 Mór

Pronunciation: MOHR
Meaning: Meaning “great” or “noble,” Mór was a name often given to Irish queens and noblewomen in medieval times. Mór Ní Tuathail, the mother of Strongbow’s wife Aoife, played a key role in Irish history. The name carries an air of regality and strength.

🍀 Meara

Pronunciation: MAIR-ah
Meaning: Meaning “merry” or “lively,” this name reflects an energetic and joyful spirit. Although rare, it shares its roots with the Irish surname Ó Meadhra. The name’s light and cheerful nature make it a hidden gem in Irish naming traditions.

🎭 Máire Ní

Pronunciation: MAR-ee nee
Meaning: A combination of Máire and the surname prefix Ní, meaning “daughter of.” This traditional name structure was commonly used for women in Gaelic Ireland, emphasizing lineage and heritage. It has been borne by many poets and writers, preserving its cultural significance.

🏞️ Móna

Pronunciation: MOH-nah
Meaning: Meaning “little noble one” or linked to the Irish word for “bogland,” Móna has a deep connection to Ireland’s natural landscape. It evokes images of the rolling green bogs and moors that define much of the countryside.

🌟 Márlá

Pronunciation: MAR-lah
Meaning: A modern and rare Irish name, thought to blend Máire and Lá, meaning “day.” Márlá has an uplifting and fresh quality, representing a bright presence. While not widely known, it has the potential to be a unique and striking choice.

🌙 Míona

Pronunciation: MEE-nah
Meaning: Derived from the Irish word mí meaning “month” or “time,” Míona carries a sense of renewal and cycles. While rare as a given name, it evokes a poetic connection to nature and time, making it a beautifully unique choice in Irish naming traditions.

✝️ Máelmuire

Pronunciation: MAYL-MWIR-eh
Meaning: Meaning “devotee of Mary,” this name was common in medieval Ireland, particularly among monks and saints. It reflects deep religious devotion, and notable figures include Máel Muire mac Céilechair, a respected scribe. It carries a strong historical and spiritual significance.

🏵️ Muadhnait

Pronunciation: MOO-uh-nit
Meaning: A rare and ancient name meaning “little noble one,” Muadhnait was historically given to daughters of high-status families. It is linked to early Irish saints, including Saint Muadhnait, who was known for her piety and wisdom. This name exudes grace and heritage.

🌟 Mian

Pronunciation: MEE-an
Meaning: Meaning “desire” or “wish” in Irish, Mian carries a deep poetic and aspirational quality. It reflects hope and longing, making it a rare but beautifully evocative name. While not commonly found in history, it resonates with a sense of purpose and ambition.

Irish Boys First Names that Start with M

If you’re looking for a boy’s name that starts with then perhaps you’ll like Micheálán which means ‘little Michael’ or something more mystical like Maelán.

⭐ Our Favourite: Muirgheas

Pronunciation: MUR-ees
First Used: Early medieval Ireland, commonly found in warrior and chieftain lineages.
Meaning: Meaning “sea strength,” this name was historically used by Gaelic warriors and noble families, symbolizing power and resilience. It reflects Ireland’s deep maritime heritage and connection to the wild Atlantic.
Why It’s Our Favourite: Muirgheas stands out for its bold and commanding presence. It perfectly blends Ireland’s warrior history with the mystique of the sea, evoking images of stormy waters, fearless sailors, and ancient legends. A name of true strength and timeless appeal.

🔥 Michael (Mícheál)

Pronunciation: mee-KHAWL
Meaning: A classic biblical name meaning “Who is like God?” Mícheál has been a favorite in Ireland for centuries, associated with Saint Michael, the archangel. Notable bearers include Michael Collins, the revolutionary leader, and countless Irish sports stars and politicians.

🎨 Matthew (Maitiú)

Pronunciation: MAT-yoo
Meaning: Meaning “gift of God,” this name has biblical roots and was introduced to Ireland through Christianity. Maitiú has been in use since medieval times, with Saint Matthew as a key influence. The name remains popular, with figures like actor Matthew McConaughey bringing global recognition.

🦁 Mark (Marc)

Pronunciation: MARK
Meaning: Derived from the Latin Marcus, meaning “warlike,” this name gained popularity in Ireland through Saint Mark, one of the four Evangelists. Marc is a modernized Irish spelling and is common across Ireland today. Famous examples include Mark Twain and actor Mark Ruffalo.

⚔️ Martin (Máirtín)

Pronunciation: MAR-teen
Meaning: Originating from the Roman god Mars, Máirtín carries connotations of war and strength. It was introduced through Saint Martin of Tours, a patron of the poor. The name has historical significance in Ireland, with figures like Martin McGuinness shaping modern history.

🌊 Morgan (Murchadh)

Pronunciation: MUR-ka
Meaning: Meaning “sea warrior,” Murchadh was borne by ancient Irish and Norse-influenced kings. This strong name evokes Ireland’s deep maritime traditions. It has modernized into Morgan, a name shared by actors like Morgan Freeman and legendary Irish warriors of old.

🏇 Miles (Maolmhuire)

Pronunciation: MILES
Meaning: Once an exclusively Irish religious name meaning “devotee of Mary,” Maolmhuire evolved into Miles under Anglo-Norman influence. It carries both chivalric and spiritual associations, with medieval knights and clergymen often bearing the name.

🏹 Mitchell (Mícheál)

Pronunciation: MITCH-ell
Meaning: A variation of Michael, this name has strong biblical and Gaelic roots. While common in English-speaking countries, its Irish equivalent, Mícheál, is deeply embedded in history. Notable bearers include Mitchell Johnson, the cricketer, and various Irish poets.

🏰 Malcolm (Maol Choluim)

Pronunciation: MAL-kum
Meaning: Meaning “devotee of Saint Columba,” Maol Choluim has royal Scottish and Irish ties. Malcolm III of Scotland popularized the name, and it has endured as a regal choice. Shakespeare’s Macbeth also helped cement its place in history.

🍀 Murphy (Murchadh)

Pronunciation: MUR-fee
Meaning: A surname turned given name, Murphy comes from Murchadh, meaning “sea warrior.” It has evolved into one of the most recognizable Irish names worldwide. The legacy of Murphy extends to literature, with Samuel Beckett’s novel Murphy giving it literary weight.

⚔️ Murray (Muireadhaigh)

Pronunciation: MUR-ee
Meaning: Meaning “lord” or “master,” this name originates from an ancient Gaelic clan. It has strong Scottish and Irish ties, often associated with nobility. The surname variant is widespread in Ireland, and figures like Murray Walker, the famous commentator, have kept it well-known.

🎭 Melvin (Mealbhán)

Pronunciation: MEL-vin
Meaning: A name of uncertain origin, Mealbhán may derive from the Gaelic word for “smooth” or “polished.” Though more common in Scotland and Wales, it has appeared in Irish history. Melvin Van Peebles, the filmmaker, gave it modern cultural significance.

🏰 Mervyn (Mairbhín)

Pronunciation: MUR-vin
Meaning: Likely of Norman origin, Mervyn became popular in Ireland through Anglo-Irish families. It suggests nobility, with historical figures like Mervyn Tuchet, an Irish peer, bearing the name. It carries an old-world charm reminiscent of medieval knights and aristocracy.

🌿 Madden (Madáin)

Pronunciation: MAD-en
Meaning: Originally an Irish surname meaning “little dog” or “warrior,” Madden comes from the O’Madáin clan in Galway. It’s now a common first name, gaining recognition through sports figures like John Madden, the legendary coach and commentator.

📜 Malachy (Maeleachlainn)

Pronunciation: MAL-a-kee
Meaning: Meaning “devotee of Saint Seachnall,” Malachy has been borne by Irish saints and kings, including High King Malachy II. Saint Malachy, a 12th-century archbishop, is famous for his prophecies of the popes. The name evokes wisdom and spirituality.

⚓ Manus (Maghnus)

Pronunciation: MAN-us
Meaning: A variation of Magnus, meaning “great,” Manus was commonly used by Gaelic nobility. Manus O’Donnell, a 16th-century Irish chieftain, was a famous bearer. The name signifies leadership and resilience, often associated with the sea due to its Nordic origins.

🏇 Myles (Maolmhuire)

Pronunciation: MILES
Meaning: Originally meaning “devotee of Mary,” Maolmhuire transformed into Myles under English influence. It has been used by scholars and poets, including Myles na gCopaleen, the pen name of Irish writer Brian O’Nolan. It’s a name tied to both intellect and tradition.

🌊 Muiris

Pronunciation: MUR-ish
Meaning: An Irish form of Maurice, meaning “dark-skinned” or “Moorish.” It was introduced by the Normans and became popular among medieval Irish nobility. Muiris Ó Súilleabháin, author of Twenty Years A-Growing, is a well-known bearer of this name.

🔥 Máel

Pronunciation: MAIL
Meaning: An ancient Gaelic name meaning “devotee” or “bald,” often used in religious contexts. Many early Irish monks bore this name, emphasizing its connection to spirituality. It appears in historical records as part of longer names like Máel Sechnaill, an Irish king.

🦅 Mannix (Mainchín)

Pronunciation: MAN-iks
Meaning: Derived from Mainchín, meaning “little monk,” this name was borne by Saint Mainchín of Limerick, a 6th-century bishop. Mannix has since gained popularity as a surname and given name, famously carried by journalist Daniel Mannix, an influential figure in Australian-Irish history.

⚔️ Murtagh (Muircheartach)

Pronunciation: MUR-ta
Meaning: A warrior name meaning “mariner” or “sea ruler,” Murtagh has royal and chieftain origins, frequently appearing in medieval Irish history. Murtagh Mac Ercae was a notable 6th-century king of Tara. Today, it’s recognized as both a surname and a first name.

🌊 Mannan

Pronunciation: MAN-an
Meaning: Likely linked to Manannán mac Lir, the Irish sea god, this name carries a strong mythological presence. Manannán was a protector of sailors and a ruler of the Otherworld. The name evokes mystery, the sea, and ancient Celtic spirituality.

🏴‍☠️ Maccus (Maccus)

Pronunciation: MAK-us
Meaning: A Norse-Irish name derived from Old Norse Makkr, Maccus was famously borne by a Viking warlord who ruled the Isles in the 10th century. It reflects Ireland’s historical ties with the Norse world and has an adventurous, warrior-like spirit.

📜 Mungan

Pronunciation: MUNG-an
Meaning: A rare and mystical name, Mungan appears in early Irish legends, particularly in tales of the Otherworld. It may mean “little monk” or have connections to prophecy and wisdom. Mongan mac Fiachna, a semi-mythical king, was said to have supernatural origins.

👑 Máel Sechnaill

Pronunciation: MAIL SHEKH-nal
Meaning: Meaning “devotee of St. Seachnall,” this name was borne by two High Kings of Ireland, including Máel Sechnaill mac Domnaill, who famously defeated the Vikings at the Battle of Tara in 980 AD. It carries strong royal and warrior connotations in Irish history.

🏰 Máel Coluim

Pronunciation: MAIL KOL-um
Meaning: Meaning “devotee of Saint Columba,” this name was common among Scottish and Irish royalty, including King Máel Coluim mac Domnaill of Alba (Scotland). It reflects both piety and leadership, closely tied to the influence of the early Celtic church.

✝️ Máel Ísu

Pronunciation: MAIL EE-soo
Meaning: Translating to “devotee of Jesus,” this name was used by medieval Irish monks and scholars. It highlights Ireland’s deep Christian roots and was borne by scribes and abbots in the early church. Though rare today, it once signified religious devotion.

🎼 Maon

Pronunciation: MAY-on
Meaning: Meaning “gentle” or “soft-spoken,” Maon was once used in medieval Ireland but faded from popularity. It appears in ancient poetry and storytelling, representing wisdom and kindness. A name with a lyrical, peaceful quality.

🌊 Muirín

Pronunciation: MUR-een
Meaning: Meaning “born of the sea,” this name reflects Ireland’s deep connection to the ocean. It appears in folklore as a name linked to mermaids and water spirits. A rare but beautiful choice, evoking mystery and maritime heritage.

🐻 Mathúin

Pronunciation: MAH-hoon
Meaning: Meaning “little bear,” this strong name symbolizes bravery and resilience. It was historically a warrior name, and the Irish surname MacMathúna (MacMahon) derives from it. A name fit for those with fierce determination.

🔮 Mongan

Pronunciation: MUNG-an
Meaning: A legendary name tied to Mongan mac Fiachna, a semi-mythical Irish king with supernatural abilities. Some tales link him to reincarnation myths. It represents mystery, wisdom, and a deep connection to Ireland’s mythical past.

🌿 Maelán

Pronunciation: MAIL-awn
Meaning: A diminutive of Máel, meaning “little devotee,” this name was popular in medieval Ireland among monks and nobles. It carries a spiritual and scholarly air, often linked to early Irish abbots.

⚔️ Mugron

Pronunciation: MUG-run
Meaning: An ancient warrior name, Mugron was common among medieval Irish chieftains and abbots. It suggests strength and resilience, with historical figures such as Mugron mac Máel Cothaid, a noted 9th-century scholar and leader.

🐺 Maelchu

Pronunciation: MAIL-koo
Meaning: Meaning “devotee of the hound,” this rare name reflects loyalty and protection. Hounds were revered in Irish culture, often associated with warriors and guardianship. It has a strong connection to Celtic mythology and heroic tales.

🔥 Máel Brigte

Pronunciation: MAIL BRIG-ta
Meaning: Meaning “devotee of St. Brigid,” this name reflects deep religious reverence. It was common in early medieval Ireland, particularly among monks and bishops. St. Brigid was one of Ireland’s most beloved saints, making this name a symbol of faith and protection.

🌟 Micheálán

Pronunciation: MEE-kha-lawn
Meaning: A diminutive of Mícheál, meaning “little Michael,” this name carries a warm and affectionate tone. Rooted in biblical tradition, it has long been used in Ireland as an endearing form of the classic name. It symbolizes guidance and strength, much like the archangel Michael.

⚖️ Mórán

Pronunciation: MOHR-awn
Meaning: Meaning “great one” or “noble,” this name originates from the Old Irish word mór (great). It was used historically to denote wisdom and leadership. The legendary Judge Morann, known for his fairness, carried a similar name, adding an air of justice and integrity.

🏆 Muircheartaigh

Pronunciation: MUR-KER-tee
Meaning: Meaning “navigator” or “sea ruler,” this name was borne by notable Gaelic families, particularly in Munster. It’s famous through Micheál Ó Muircheartaigh, the legendary Irish sports commentator. The name reflects resilience, tradition, and a deep-rooted connection to Ireland’s history.

✝️ Mael Muire

Pronunciation: MAIL MUR-eh
Meaning: Translating to “devotee of Mary,” this name was used frequently in medieval monastic circles. It showcases Ireland’s enduring Marian devotion and was particularly popular among scholars and clergy during the early Christian period.

👑 Maelseachlainn

Pronunciation: MAIL-SHEKH-lin
Meaning: Meaning “devotee of St. Seachnall,” this regal name was borne by Máel Sechnaill mac Domnaill, the Irish High King who defeated the Vikings at Tara in 980 AD. It symbolizes leadership, military strength, and historical legacy.

🌊 Muirgheasán

Pronunciation: MUR-uh-gassan
Meaning: A rare name meaning “little sea strength,” this is a diminutive form of Muirgheas. It evokes maritime resilience and has an almost mythical quality, connecting it to Ireland’s seafaring traditions and warrior heritage.

We hope you found some interesting and inspirational names in this list. We also have a list of Irish last names that start with M, and lots of other lists for you to explore.