A Letter from Ireland:

The Surnames of County Mayo


County Mayo My Ancestral HomeThe surnames of County Mayo.

Here are the County Mayo surnames in the family trees of our Readers. Is your County Mayo surname here? If not, just let me know in the comments section below and I’ll add it.

Here we see a beautiful picture of Achill Island in the sunshine – imagine that!

The names we have are:

Bailey, Barrett ,Begley, Bird, Blackburn, Bloxham ,Bourke ,Boylan ,Brannick ,Brennan, Burke, Cadden, Canavan, Carney, Carolan, Caufield, Clarke, Coleman, Conlon, Connolly, Connor, Conway ,Coyne, Crean, Cuff, Culbreath ,Cullina, Cummings, Cunningham, Davies ,Davitt, Devor ,Donlon, Donnelly, Dougherty, Duffy ,Dulin,

Earley, Early, Fallon, Fee, Feeley, Feerick, Fitzpatrick ,Flanagan, Flannigan, Flynn, Ford, Forster ,Foster, Gallagher, Garvin, Gavaghan, Gavin, Geraghty, Gibbons ,Gormley, Gough, Granahan ,Greeley, Hall, Halligan, Haney ,Harrington ,Hart ,Hastings, Healy, Heneghan, Henehan ,Henry, Hickey,

Higgins, Huane, Hurst ,Igoe ,Jordan ,Joyce, Judge, Kane, Kavanagh, Keane, Keenan, Kelly ,Kerrigan, Kilbane, Kilroy, Kneafsey, Lally, Larrisey, Lavelle, Leonard, Levy ,Linsky, Loftus, Lyden, Malley ,Maloney, McCauley, McDonagh, McDonald, McDonnell ,McEvoy, McGibbon, McGinty,

McGowan, McGreal ,McGuigan, McHale, McMenamin, McMonagle, McNicholas ,McNulty, McQuaide ,Millet ,Molloy, Monahan, Moore, Moran, Morley, Mortimer, Mullaney, Mullen, Mulligan, Munnelly, Murphy, Murray, Naughton ,Nellany, Nolan, O’Brien, O’Donnell ,O’Hora, O’Malley,

O’Toole, Parker, Patterson ,Plover, Quinn ,Radigan, Regan ,Riley ,Ruane, Rush, Ryan ,Sands, Scully ,Sheeran ,Sheerin ,Smith, Stenson, Sweeney ,Tarpey, Tighe, Treacy, Walsh,

Thats a lot of names for just one county!

  • Wini says:

    Don’t forget the surname Gill! Thanks!

  • Kate Fandetti says:

    Roche/Roach and McAndrews…………..thanks

  • Mary Cunningham says:

    Don’t forget the Thomas surname. There are clusters of this surname in the Errew / Ballyheane area of Castlebar.

  • Michelle Peterson says:

    Don’t forget Mahony. Thanks!

  • Roberta Robinson says:

    Missing one for my family, please add Prendigast.

  • Chris Radek says:

    I have many Reddington’s from Mayo. Thanks.

  • Patrice Houck Schadt says:

    I have Hallinan, Ferguson and Durkin. I also have a casual interest into Kneafsey. Michael Kneafsey married Margaret Hallinan, a sister of my great grandmother, Ellen Hallinan Bagley.

  • Patricia Hale Webb says:

    Is the surname “Hale” from County Mayo?

  • Pamela Marney says:

    Hello! MARNEY can be added to your list. Thanks!

  • Margaret Geraghty says:

    Could you please add GARVEY (my line are from Brownstown/Coolylaughnan, looks like they left the area and disappeared by about 1880). Thanks

  • Maureen Goins says:

    Hoban and Morrison

  • Nuala King says:

    Don’t forget three great Mayo names, Brett, Cunnane and Sheridan. Thanks.

  • Eileen Flynn says:

    My ggrandmother is a Cassidy and she lived in Charlestown, County Mayo. Thanks for putting this list together.

    • Barbara says:

      Eileen – my husband’s grandfather was Patrick Cassidy b, 1854. Family lores says he was from Mayo but I have found no records. He had 4 sisters Mary, Beatrice, Ellen and Catherine. Their parents were Patrick and Mary Doherty Cassidy. Would they be related to you?

    • Mike says:

      Name added to list Eileen πŸ™‚

  • Karen O'Malley says:

    How about the Garreys?

  • Don’t forget Ansbro they are my relatives from Mayo

  • Sandra Belkofer says:

    Martin Family from near castlebar

  • Kerryn says:

    Can you please add Durkin, Hurst, McEvey, Vahey, Vahy? Thank you!

  • Karen Caron says:

    Please add Gaughan and Walton.
    Thank You.

  • Please add Swift and Monnelly surnames.

  • David Cassells says:

    Layng, Beatty, Landers

  • Tom Malone says:

    Don’t forget Malone

  • Jackie Bain says:

    Please add Casey and Conroy. Thanks!

  • Kersten Conway says:


  • AAnne says:

    Please add Dolan- Thanks

  • Ciaran says:


  • marianmcmanamon says:

    Hello, can you add the Ludden name.

  • Catherine Smith says:

    Please add the surnames. Kenny, Bermingham
    Thank you

  • Julie Plant (Nee Bermingham) says:

    My maiden name was Bermingham descending from John Richard Bermingham born in Co. Mayo around 1820. Some Trees note his father as Henry and a death certificate has his place of birth beginning with Ball which we now believe likely to be Ballinrobe He was in Australia and married Mary O’Hara, around 1849. Mary was an Irish orphan girl who went to Melbourne on the Lady Kennaway and born in Crossmolina.

  • My ancestors include Chambers, Callaghan and more distantly Daly and Carey. These families were from County Mayo.

  • Chelsea says:

    How about Breslin. πŸ™‚

  • George Davis says:

    Please add Kilcoyne from Murrevagh, Mulranny, Ireland.

  • George Davis says:

    Also Caine from the same.

  • Maureen says:

    My Grandfather was James Hyland from Castlebar and my grandmother was
    Delia Roach(e) also from Castlebar. They both appear in the 1911 census

  • Patsy Riggs says:

    Is the Baxley name a change from Bailey? Where did they originate?

  • Colleen Ivey says:

    There are also Caseys in County Mayo, in Derry, Owenbrin, Cappaghduff District.
    Thank you for such tremendous research!

  • grace sullivan says:

    my let name is Sullivan. it was O’Sullivan but my ancestors changed it after they came to america from county mayo. i think Sullivan should definitely be up there.

    • Mike says:

      Hi Grace – these are the names of our readers and the counties their ancestors came from. Yours is the first Sullivan from Mayo – so now its up there πŸ™‚

  • delores says:

    could you add Williams,and Lane? Hickey I found they were from County Meath,Ireland.Way back in time there Williams may have been spelled differently,and Lane could of spelled different too,cause my Williams came on ship from Londonderry,Ireland,and Lane from Ulster,Ireland.Hope it was ok to send you this much out.

  • Mary Ann says:

    Patterson was the Surname of my grandmother’s father and her grandfather’s to I believe

    • Mike says:

      Hi Mary Ann – lots of Pattersons all around the counties of Ulster. When found in Mayo it is usually another version of the Gaelic Irish name Cussane. Mike.

  • Eileen says:

    Please add HOPE – my ancestors from Mayo immigrated ca 1854 to Pennsylvania.

  • Glen Francis says:

    Please add Friel and Freil to the surname list from Letterbrock County Mayo, which is near Westport at the foot of the “Reak”. This is where my mother is from. Glen

  • Catherine Caffrey says:

    Please add Cafferty- from Rathmore, Crossmolina, North Mayo. My ancestor Martin was christened there in 1833. His mother’s name was Catherine Murphy – I see you already have Murphy. Thank you!

  • Marie Stephenson says:

    wasn’t the name O’Dubhda from Mayo? or was it Sligo?

  • Casey says:

    We came from Mayo County in 1845 – a widow and 3 or 4 sons. Our name is McGrayel but at least three other spellings have been printed in US newspapers ( McGrail, Mc Greal, McGrayle, McGroyal).

    • Mike says:

      Hi Casey – I have now added your McGrayel to our list for Mayo. The different spellings can be confusing but at least all of these spellings sound the same (almost). Mike.

  • Tracy says:

    There is a Tucker’s Lough outside of Castlebar, and a Tucker Street, in Castlebar itself. In fact, I believe the Taoiseach has his constituent office on Tucker Street.

    Please add the Tuckers to the list of distinguished names of Co. Mayo.

    Thank you…!!!

  • Kathy P says:

    Hi Mike,
    You can add Pue to that list! Thanks and wonderful update!! Love it! Great work to you and Carina!
    Enjoy your weekend and tea.

  • Paul says:

    Please add O’Rourke to the surnames of Co.Mayo. My gr.Grandfather came from Annagh nr. Ballyhaunis. though I believe the name originates from Leitrim/Sligo.

    • Mike says:

      Hi Paul – your O’Rourke now added to Mayo. O’Rourkes were originally lords of Leitrim (or as it was called Breffni). Mike.

    • Mike O'Rourke says:

      Hi Paul – are you on Ancestry.com? I believe my O’Rourke family was from Mayo. I’m finding this to be a rare name in the county as it’s prevalent elsewhere. Please email me at michaelporourke@gmail.com


  • Debby says:

    Please add KENNEDY to the list. My ancestors came from Upper & Lower Barnhill area in Lacken. I’ve hit a wall taking they back before Patrick Kennedy (born 1785) and his descendants who remained in Ireland.

  • The name Nestor very popular in Mayo! Galway now!

  • collins says:

    The name Collins ~ North Mayo ~ Ballycastle

  • Suzy says:

    I may have missed it, but I do not recall seeing the names Flatley or Grogran
    My great grandfather, William Flatley was born in Claremorris in ~1864,
    and my great grandmother, Delia Grogan was born in 1873 in Ballyhaunis.
    Thank you!:)

  • Tom Hackett says:

    My grandparents were from county Mayo. Could you add the name Hackett?

  • Ruth Geraghty says:

    Hi. Can you add the name Cawley who originally came from the inishkeas then settled in Binghamstown co mayo. Thanks. Great site!

  • Corinne Reilly says:

    My great, great grandfather, Michael Halloran was born in County Mayo in 1836. Could he be added please?

  • Kathy McCarthy says:

    Please add Caulfield. You have Caufield, but not Caulfield. Thanks.

  • Karen says:

    Also add Hopkins, McAndrew, and Kenny

  • Brian Norton says:

    Loftus family here. Grand Father James J (1869-1948) GG Thomas, GGGJames. Connected families, COLEMAN, FINN, MAGUIRE,.

    • Jaclyn says:

      Happened upon this! Wondering if you have a Bridget Loftus in your lineage? Our Bridget married Frank Coyle. Married in early 1800’s. Just curious, and thank you.

  • Neil says:

    O’Sullivan, Lynch & Clarkin from Ballycurrin Demesne.

  • MaryPat Murphy-Carey says:

    Coughlan/Cregganbell (Ballyean area);
    Hughes/Irish Town
    Mc Tigue/Ballinrobe

    • Elizabeth Caswell says:

      My grandfather Peter McTighe was from Ireland, came to USA and married in 1905 in Lowell, MA to Bridget Duignan

      I think he had brother John McTighe also came to live in Lowell.

  • MaryPat Murphy-Carey says:


  • Donald Connor says:

    Thank you for the list of names. This may help me in researching the Connor’s and Cunningham’s.

  • Jim Aman says:

    Brown .. My 5th great-grandparents (William Brown and Hannah Ann Taylor) left An Eill (now, The Neale) in 1770 for the North American colonies, traveling with their two children, who were both born in An Eill (1759 and 1762).

  • Pat Dunn says:

    I have McAndrew from Mayo

  • Eileen Fodor says:

    Would you please add the Whelan family on behalf of my partner, John. He would type this himself but had a stroke 7 1/2 years ago and can’t. Thanks so much for all of your hard work and God Bless.

  • Jeff Finn says:

    Please add Finn. My Great grand pa x 4 Patrick Finn was born and died in Mayo County Ireland.

  • Dennis Hart says:

    My 3rd great grandparents were Michael Hart and Ann Calahan from County Mayo.

  • Geraldine Reddington says:

    My husband grandfather Pat Reddington had a brother Edward. Don’t no anything about him,wonder if he has any descendants. The address was, Carrowcrin, Knockanillaun, Ballina, CoMayo, Ireland. He was son of Anne Reddington. He was born abt 1885.

  • declan says:

    my ancesters wher Daniel HIGO and bridget GANNON,,FROM CO MAYO

  • declan says:

    and bridget GANNONS mother was called CLARKE all from the parish of BURRISCARRA SUNNY MAYO

  • Please add Ryder my dear mother was born in Mayo and her family still farm there.

  • Maggie Kelch says:

    Hello Mike – my ggrandparents were Patrick and Brigid Ginley from Mayo – Dooega on Achill Island. I visited there with my grandmother in 1974 and I met a cousin – but I don’t have her contact information any longer. Any way I can track them down?

  • Val Wynne says:

    Hello l have been looking for information of my great grandfather Michael Ginley /Ginilley (had different spellings )without success. The only information l have is hewas born 1831 Castlebar & his mother was Bridget & his wife was Sarah. He died in York 1912. It would be lovely if anyone could help.

  • Anne says:

    McNamara is a very common name on Achill Island, Mayo. My Mother was from Achill and there is a whole lot of them!!

  • Michele says:

    Can I get anymore information on the Kilbane tree? I so much want to learn some so I can pass down to my children,Like My Great Granfather Edward Kilbane and my Great Grandmother cATHRINE kILBANE, mY FATHER RETIRED PIPEFITTER..My Grandmother first woman Police,I just wonder if they had brothers and sisters?

  • Carol says:

    Hi: My Grandfather, Patrick McFadden was from Achill and there are still decedents living there. Would you please add his last name? Thank you!

  • Christie says:

    The Costello family from ballyvary county mayo.

  • Bonnie Gallagher says:

    Don’t forget the Breens of Castle Street, Castlebar. Thanks!

  • Andrea Spencer says:

    My great grandmother was Ellen Finn of county Mayo, Ireland. I don’t see Finn on the list of names.

  • Andrew Scott says:

    Please add the surname “GANLEY”.My grandparents and mother came from Crossard,Tooreen near Ballyhaunis.
    Also the name was known in Brackloon on my grandad’s side.
    Ganley family still strong and present in Crossard 6th generation!!!!
    From Andrew Scott

  • A Sweeney says:

    There are many Paddens and Shevlins in the Erris area if you would add them to the list.

  • Liz Ridlington says:

    In my search for my great grandmother from Mayo, I have found Mahon, Maughan, Mangan, Manghan, Moughan, Mannion, Manning. All in North East Mayo. She was called Annie McMahon in Liverpool. Her father was James, a farmer.

  • McNamara says:

    My father Michael McNamara was from Tullaughan Ballyhaunis also his father Austin (Affie)

  • Dominic Calvey says:

    Please add ‘Calvey’ , farmed in Cloongullaun just outside Swinford. I seem to remember the name McNulty who were neighbouring farmers.


  • Noah Sullivan says:

    My Sullivan born family were born in the South of Mayo. Records connect them to being in Greenaun, Glensaul, Ballinrobe and other places within Ballinchalla. Also my Lydon family within the same areas. Though note you already have Lyden noted.

  • Kim Battista says:

    Please add Mulrooney from Charles town, County Mayo. Patrick Mulrooney b 1846. D 1920. married Margaret Brennan died 1926 they owned a shop in Charles town called Mulrooney s bicycle s

  • Nancy Mullen Dufour says:

    My maternal grandmother was from Mayo and her surname was Ducie or Ducey or Ducy Thanks

  • Eileen Flanagan says:

    Could not find the name Mullagh my grandfather’s name Michael Patrick Mullagh

  • Annis says:

    Lynch – 3x Great grandmother Mary, from Kilmore. And her mother was a Kilboy.

  • Ann Langan says:

    Can you add my last name Langan. Many Langan’s came to America from Co. Mayo in the early 1800’s.

  • Bill Lynn says:

    William Lynn, John Lynn, Anthony Lynn, William Lynn 1917, there’s quite a few Lynn’s, some still alive (Noel) living there. Please add to the list?

  • James F Riley says:

    Bernard Reilly came from County Mayo to Upstate New York (Pine Valley, Catlin, Chemung, N.Y.) in about 1830, He was born about 1807 and died in 1889. He may have come with his wife Catherine.

  • Mary Cain says:

    The name McDermott is missing. My Mom, Margaret, was born in 1911 in Carrowroger. She was one of eight. All emigrated to New York.

  • Dolores Burton says:

    My DNA test shows 74 percen Irish, and my people are from East Co. Mayo. Can not find my name any where, of course it is one of those names I’m afraid.,,,,MacAdam

  • Michael J. Foy says:

    Foy Swinford, Kilkelly; Forkan Kiltimagh

  • Jean says:

    Roache, Kilgallen and Mulloy

  • Karen Guenther says:

    My father was a Callaghan from Glenhest. His mother, also from Mayo was a Chambers. Her mother was a McManamon – all from County Mayo

  • David says:

    My Grandfather was a Lavell, do you think this is a derivative of β€œLavelle”. My ancestry from my mothers side is Irish, I would love to trace this ancestry. My grandmother was an O’Neil. Any ideas how to begin tracing my ancestry.?

  • John Sears says:

    Please add the surname SEARS / SAYERS to your list. My ancestors resided in Co. Mayo (Kilmainemore and the Neille) since at least the mid 1770’s and specifically in Ballinrobe since the mid 1840’s.

  • Arlene says:


  • Michael moran says:

    Looking on information about the moran clan and who we where is there any one that can me please thank you

  • Dee says:

    My great grandparents are Patrick Lawless (islandeady, derrycreeve, castlebar area) and Margaret Burke. They were married in Burrishole. I think Patrick’s fathers name was Joannes Lawless from Islandeady and Margaret ‘s father might be Joannis Burke. They had several children, (1875) James, (1877) Winifred, (1882) Owen, Patrick, Delia, (1879) John and Bridget…I think were twins but I’m not sure John survived. I’m hoping to find someone that may have information on Patrick’s parents or siblings. Thanks for any help or information. My email is K9.4.shore@gmail.com.

  • Nancy Baugh says:

    Please add surnames Swift and Dillon (my great g’parents). Lived in Ballyhaunis, county Mayo. Married apx 1870, so probably born in the 1840’s. Some children were Ann, Patrick, Bridget, Mary, Maggie (?)

    • cheryl borgman says:

      Hello Nancy – My great grandfather was Bartley Swift and he married Bridget O’Brien. They were from Ballyhaunis as well. My grandmother Maggie was born in 1897. Do you know much about your Swift family in Ballyhaunis?

  • Burns, Claire Island, Co Mayo

  • Gary and Deborah Sullivan says:

    From my research into the Higgins genealogy in Co Mayo, I have 3 proven surnames to add. All three married into the Higgins family of Co Mayo.
    Frain, Doyle and Browne.
    Thanks for compiling all this.
    D. Sullivan

  • Mary Kolb says:

    I just found your site this afternoon and find it very interesting.

    Please add the surname Winters to the County Mayo list. They were from Clare Island. You have all the other Mayo names in my family tree.

  • Jilly Baker says:

    Looking for family of Bridget Anastasia Caulfield born August 1916 in Barnatra, Ballina, Co. Mayo

  • Margie Cowan says:

    McAndrew and Sweeney from Ballycroy, Laragan (near Bangor Erris), and Sheskin. Cleary from Ballycroy. McManamon from Sheskin. I am looking for descendants of James “Jimmy” McAndrew (and his wife, Mary Sweeney) … several of his children emigrated to England and believe they may have married and had families there.

  • Joan says:

    Lyons Ballyhaunis Mayo

  • Paul Coghlan says:

    Charles William Francis Coghlan born in County Mayo in about 1807.

  • Brian says:

    where is Finnerty

  • Sheelah says:

    My great grandmother was a Lavelle from Achill. She married a Mc Cafferky which was changed to Mc Cafferty at Ellis Island. I thought he was from Achill too but do not see that name listed.

  • Dan Ziegler says:

    Would it be possible for you to add our Claremorris ancestors? The Griffith and Ratigan family came to Michigan from County Mayo in the 1860s. Thank you.

  • Shaun Carney says:

    McCourt is missing.

    My mother’s father was John F. A. McCourt from Ballyhaunis (1889-1954). Side note: I’ve been told the last McCourt left Ireland decades ago.

    My father was Patrick Francis Carney from Trennaglerah, Kiltimagh. The family called him Frank. His paternal Great Grandparents were Patrick Carney (1780-1850) and Peggy McDonagh (1780-?). His mother was Margaret O’Hora from Bohola, his maternal grandmother was Catherine McEvady (1852-?) and his maternal Great Grandfather was James O’Hora (1798-1878).

    My father had a brother named Sean. Don’t ask me why he demanded my name be spelled this way. πŸ€·πŸΌβ€β™‚οΈ

  • shirley moane says:

    hi my maiden name was moane I believe we came from west coast of Ireland name was moane cannot find that name here,do you have any info. on it please reply would like to hear from you regards shirley moane maher.

  • shirley moane says:

    love the site enjoyed readiing all shall put it in my favourits

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