Tara Rhiannon Dawn Fietz, BA, MFA
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✓ Need to Know
Explore the rich history of Celtic surnames across Ireland, Scotland, Wales, Cornwall, and the Isle of Man; from nature-inspired names like Glen and Rivers to ancient clan names like O'Brien and MacLeod.
Years ago, when I first discovered the Outlander books and TV series, I became immediately enamored with the beauty of Scotland and the magical meanings behind the variety of Celtic names that are still in use from the Highlands to Wales, Cornwall to Ireland. And so, like any other completely normal person who gets hyperfixated on one topic, I fell down a rabbit hole of the Celts' clans, Celtic history, and the surnames that tied it all together.
Exploring Celtic surnames has been like taking a journey through time, meeting the people who lived, worked, and dreamed in Celtic lands centuries ago. So, let's take a dip into the waters of Celtic naming traditions together, and see what kinds of ancient treasures we can uncover!
Common Celtic Last Names
From the Emerald Isle to the Munros of Scotland, here are some historically common Celtic surnames and their lovely meanings!
- Boyle - Vain pledge
- Branigan - Little raven
- Callan - Rock or battle
- Carnes - Cairn or stone monument
- Carroll - Descendant of Cearbhall, fierce warrior
- Cavanaugh - Student
- Clancy - Clerics and warriors
- Collins - Holly
- Conroy - Friend of the hound
- Curran - Descendant of Corra, spear or hero
- Dalton - Settlement near a valley
- Donovan - Descendant of a dark-haired chieftain
- Dooley - Dark hero
- Farrell - Man of valor
- Fitzpatrick - Son of Patrick, nobility
- Gallagher - Descendant of foreign helper
- Gilroy - Son of the red-haired servant
- Grady - Noble
- Griffin - Mythical creature symbolizing strength
- Hogan - Descendant of the young one
- Kane - Little fighter
- Keane - Ancient
- Kennedy - Helmet-headed
- Lacey - Originated from Lassy in Normandy
- Lennon - Descendant of the lover
- Mannion - Wealthy, powerful
- Meadowes - Open grassy fields
- Murphy - Sea warrior
- O’Rourke - Heirs of Ruairc, a king
- Quinn - Descendant of Conn, chief
- Reilly - Descendant of Roghallach
- Rowan - Tree symbolizing protection and wisdom
- Shannon - Old and wise
- Shay - Hawk-like and quick
- Teague - Poet or philosopher
- Tierney - Lord
- Wynn - Beauty or fair features
Popular Celtic Last Names
Like many cultures, Celtic societies often named people after their trades or professions, and these occupational surnames tell fascinating stories about daily life in medieval Celtic communities.
- Baker - Bread maker
- Black - Dark-haired
- Bold - Brave
- Brewster - Brewer
- Brown - Brown-haired
- Carpenter - Woodworker
- Fair - Beautiful
- Fisher - Fisherman
- Fletcher - Arrow maker
- Gray - Gray-haired
- Hunter - Hunter
- Long - Tall
- Mason - Stone worker
- Miller - Grain miller
- Noble - Of high birth
- Porter - Gatekeeper
- Reid - Red-haired
- Shepherd - Sheep herder
- Short - Small in stature
- Small - Little one
- Smith - Metalworker
- Stout - Strong or sturdy
- Strong - Powerful
- Swift - Fast
- Tanner - Leather worker
- Taylor - Tailor
- Thatcher - Roof thatcher
- Weaver - Cloth maker
- White - Fair-haired
- Wise - Intelligent
Irish Celtic Surnames (Gaelic Origins)
Many Irish surnames have been anglicized over the centuries. But originally, these names frequently reflect qualities parents hoped their children would embody, with last names denoting lineages through meaning like "son of" or "descendant of", using "O" or "Mac" in their spelling.
- Brennan - Descendant of Braonán, moisture, drop
- Callahan - Descendant of little Ceallach, bright-headed
- Connolly - Fierce as a hound
- Doherty - Descendant of the hurtful one
- Finnegan - Descendant of fair, white
- Fitzgerald - Son of Gerald, spear ruler
- Flanagan - Descendant of the red one
- Keegan - Descendant of fire
- Malone - Descendant of the servant of Saint John
- McBride - Son of Bride, exalted one
- McCarthy - Son of Carthy, loving
- McCormick - Son of Cormick, son of defilement
- McDonald - Son of Donald, world ruler
- McGrath - Son of Grath, grace
- McGuire - Son of Guire, pale, beige
- McKenna - Son of Kenna, fire born
- McLaughlin - Son of Laughlin, land of the fjord
- McMahon - Son of Mahon, bear
- McNeal - Son of Neal, champion
- Nolan - Descendant of the noble one
- O'Brien - Descendant of Brian, noble, high
- O'Byrne - Descendant of Byrne, raven
- O'Casey - Descendant of Casey, vigilant, brave
- O'Connor - Descendant of Connor, lover of hounds, wolf lover
- O'Donnell - Descendant of Donnell, world mighty
- O'Doyle - Descendant of Doyle, dark foreigner
- O'Flanagan - Descendant of Flanagan, red, ruddy
- O'Gallagher - Descendant of Gallagher, eager helper
- O'Kelly - Descendant of Kelly, warrior, bright-headed
- O'Malley - Descendant of Malley, noble chief
- O'Murphy - Descendant of Murphy, sea warrior
- O'Neill - Descendant of Neill, champion, cloud
- O'Reilly - Descendant of Reilly, courageous, valiant
- O'Ryan - Descendant of Ryan, little king
- O'Sullivan - Descendant of Sullivan, dark-eyed one
- Rourke - Descendant of Ruarc, famous ruler
- Sheridan - Descendant of the peaceful one
- Walsh - The Welsh one, foreigner
Scottish Celtic Last Names (Gaelic & Anglo-Saxon Origins)
Scottish surnames beautifully blend Gaelic and Anglo-Saxon naming traditions including influences from Norse and Norman cultures as well. Many clan names carry the weight of Highland history and the romance of ancient Scotland, just like Braveheart!
- Anderson - Son of Andrew, manly
- Bruce - Brushwood
- Cameron - Crooked nose
- Campbell - Crooked mouth
- Clark - Cleric or scholar
- Douglas - Dark water
- Fraser - Strawberry flowers
- Gordon - Great hill
- Graham - Gray home
- Grant - Great or large
- Hamilton - Beautiful mountain
- MacAulay - Son of Aulay, ancestor's relic
- MacBeth - Son of life
- MacBride - Son of Bride, exalted one
- MacCallum - Son of Callum, dove
- MacDonald - Son of Donald, world ruler
- MacFarlane - Son of Parlan, son of the waves
- MacGregor - Son of Gregor, watchful
- MacInnes - Son of Angus, one strength
- MacKinnon - Son of the fair born
- MacLean - Son of the servant of Saint John
- MacLeod - Son of Leod, ugly
- MacMillan - Son of the bald one
- MacPherson - Son of the parson
- MacRae - Son of grace
- MacKenzie - Son of Kenneth, fire born
- Mitchell - Who is like God
- Murray - Sea settlement
- Robertson - Son of Robert, bright fame
- Ross - Red or passion
- Stewart - Steward or guardian
- Thomson - Son of Thomas, twin
- Walker - Fuller of cloth
- Wilson - Son of Will, resolute protector
- Young - The young one
Welsh Celtic Surnames (Cymric Origins)
The ancient Celtic Welsh language is a lyrical one, reflected in the following surnames that often reference the beautiful environment of Wales and the strength of its denizens.
- Cooper - Barrel maker
- Davies - Son of David, beloved
- Edwards - Son of Edward, wealthy guardian
- Evans - Son of Evan, young warrior
- Griffiths - Son of Griffith, strong lord
- Hughes - Son of Hugh, mind or spirit
- James - Supplanter
- Jenkins - Son of little John
- Jones - Son of John, God is gracious
- Lewis - Famous warrior
- Lloyd - Gray or sacred
- Morgan - Sea-born or great brightness
- Morris - Dark-skinned or Moorish
- Owen - Noble warrior or well-born
- Parry - Son of Harry, home ruler
- Phillips - Son of Philip, lover of horses
- Powell - Son of Howell, eminent
- Price - Son of Rhys, enthusiasm
- Rees - Enthusiasm or ardor
- Richards - Son of Richard, brave ruler
- Thomas - Twin
- Vaughan - Little or small
- Williams - Son of William, resolute protector
Cornish Celtic Last Names (Brythonic Origins)
Cornish names carry the mystique of England's southwestern peninsula, with its ancient stone circles, dramatic coastlines, and rich mining heritage.
- Carlyon - Fort of Lyon
- Chenoweth - New house
- Jago - Supplanter (Cornish form of James)
- Kitto - Christopher
- Lander - Launderer
- Moyle - Bald hill
- Nancarrow - Valley of the deer
- Opie - Descendant of the ancestor
- Pascoe - Easter child
- Penhale - End of the moor
- Penrose - Top of the moor
- Polglaze - Blue pool
- Quintrell - Fifth
- Reskelly - Heather dwelling
- Trelawney - Mill town
- Treloar - Place of the mare
- Tremaine - Stone settlement
- Trevithick - Dwelling by the mountain
- Vivian - Lively one
- Wickett - Little dwelling
Manx Surnames (Isle of Man)
The Isle of Man, nestled in the Irish Sea, has its own unique Celtic heritage, blending Irish, Scottish, and Norse influences into a dialect called Manx. These are some of the most influential Manx last names and meanings!
- Clague - Son of the cleric
- Corkill - Son of Thorkell
- Craine - Son of the wise one
- Kermode - Son of Dermot
- Kinley - Son of the fair hero
- Kneen - Son of the gentle one
- Mylchreest - Son of Christ
- Quayle - Son of Paul
- Quirk - Son of the heart
- Shimmin - Son of Simon
Nature-Inspired Celtic Last Names
Celtic cultures have always maintained a deep connection to the natural world, and many surnames reflect this relationship with the land, sea, and sky.
- Brook - Small stream
- Burns - Streams
- Craig - Rock or cliff
- Dale - Valley
- Field - Open country
- Ford - River crossing
- Glen - Valley
- Hill - Dweller on the hill
- Lake - Body of water
- Marsh - Wetland
- Moor - Bog or marsh
- Ridge - Hill crest
- Rivers - River dweller
- Stone - Rock or stone
- Wood - Forest dweller
Celtic Last Names That Still Matter Today
What I find most remarkable is how these names have survived. They've weathered invasions, cultural shifts, famines, and massive migrations. Families carried these names across oceans to new continents, preserving their heritage even as they built new lives. Today, whether your family has been O'Brien for a thousand years or you're just discovering Celtic connections, these surnames serve as bridges between past and present.
What Are the Oldest Celtic Surnames?
The oldest Celtic surnames date back over 1,000 years. O'Brien, O'Neill, and MacLeod are among the most ancient, with some families tracing their lineage to the 10th century.
What Is the Rarest Scottish Last Name?
MacBeath is considered one of the rarest Scottish surnames, with fewer than 100 people worldwide carrying this name today. Originally meaning "son of life," it's connected to the historical figure Macbeth. Other extremely rare Scottish names include Skirving, Pentland, and Grizelda.
What Is the Celtic Last Name for Strong?
Several Celtic surnames mean "strong" or convey strength. MacNeil means "son of the champion," while Armstrong literally means "strong arm." O'Sullivan translates to "dark-eyed one" but implies strength, and Cameron means "crooked nose."
For more information, check out these popular topics:
- 100 Boy Names That Mean Warrior (With Their Origins)
- Scottish Last Names and Meanings
- English Last Names and Meanings
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