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Welsh Families

Teuluoedd Cymru — the families of Wales
Old system: Patronymics: ap / ab Surnames fixed: 15th–18th centuries Most common name: Jones — from John National tartans: Welsh National, St David's

Welsh surnames are the youngest in Britain and among the most concentrated — Jones, Davies, Evans, Williams. Behind them sits an older system of patronymics and princely houses, and today a growing Welsh tartan tradition of its own.

Is your surname a Welsh one? Try Jones, Davies, Evans, Williams, Thomas, Roberts, Lewis, Hughes — and 10 more on this page. See the family directory →

Welsh families at a glance

Old system Patronymics: ap / ab
Surnames fixed 15th–18th centuries
Most common name Jones — from John
National tartans Welsh National, St David's
The Welsh kilt The cilt
Old kingdoms Gwynedd, Powys, Deheubarth
Welsh surname histories 25+
'Son of' — the old patronymic ap
How Welsh names work

From 'ap Hywel' to 'Powell' — Wales kept its fathers' names longest

Wales held onto the old Celtic patronymic system centuries after England and Scotland adopted fixed surnames. A man was named for his father with ap or ab ('son of'): Dafydd ap Gruffudd, Owain ap Hywel. Fixed surnames only spread between the 15th and 18th centuries, usually by freezing a patronymic — which is why so many Welsh surnames are first names in disguise: Jones from John, Davies from Dafydd, Evans from Ifan, Williams from William.

The ap prefix itself fossilised into surnames too: ap Hywel became Powell, ap Rhys became Price and Preece, ap Huw became Pugh, ab Owen became Bowen. Because the pool of source names was small, a handful of surnames came to cover most of the country — but each family's line runs back through specific parishes, princely houses, and the old kingdoms of Gwynedd, Powys and Deheubarth. Our surname pages trace those roads.

Welsh tartan is a modern, deliberate tradition — and none the worse for it. The Welsh National tartan weaves the red, green and white of the flag into a wearable sett; the St David's tartan honours the patron saint; and registered setts now exist for major Welsh surnames. Paired with the cilt — the Welsh kilt — they give Welsh heritage a dress tradition of its own, and we make every piece to measure.

The Cloth — Brithwe — the chequered weave

Wales has its own old chequered-cloth tradition, brithwe, made in the hill farms long before registered tartans existed. Modern Welsh setts consciously pick up that thread rather than borrowing Scotland's.

The Nation — Flag colors on the sett

The Welsh National tartan sets the red, green and white of Y Ddraig Goch into a wearable pattern, and the St David's tartan honours the patron saint. Both are open to anyone of Welsh birth or descent — no surname required.

The Cilt — The Welsh kilt

The cilt — the Welsh-language name for the kilt — has become established wear for Welsh weddings, rugby internationals and St David's Day. Cut identically to a Scottish kilt, worn in Welsh setts, and made by us to your measurements.

Sources: published clan and family histories, the Scottish Register of Tartans, and Scottish Kilt Shop’s heritage research files. Corrections welcome at our heritage desk.
Wales abroad

The Welsh diaspora

Welsh families built communities far beyond Wales — in the Pennsylvania coal and slate fields, across the American Midwest, and most remarkably in Y Wladfa, the Welsh colony of Patagonia founded when the Mimosa sailed in 1865, where Welsh is spoken in Argentina to this day. Jones, Williams, Davies and Evans travelled with every wave.

Because Welsh surnames are patronymic, almost every Welsh family shares its name with thousands of others — which is why the Welsh tartans are national and regional rather than familial. The Welsh National and St David’s setts belong to every Welsh name equally. Confirm your name’s Welsh root, then wear the national sett with full confidence.

1282
Fall of the last native princes
1536
Fixed surnames begin replacing ap-names
1865
The Mimosa sails for Patagonia
Trace it
Patronymics are the pattern

Jones, Evans, Price and Hughes all began as “son of” names. The root name, not the spelling, is the heritage marker.

Wear it
The cilt & national setts

Wales has its own kilt tradition — the cilt — worn in the Welsh National and St David’s tartans.

The names of Wales

Featured Welsh families

Twelve names that cover a remarkable share of Wales. Each page traces the surname's origin, its heartlands — and the tartan options open to it.

JonesFrom Ioan / John
Wales’s most common name — from Ioan (John), fixed when patronymics became surnames. All Wales — densest in Gwynedd.
DaviesFrom Dafydd — David
From Dafydd (David) — the patron saint’s name carried by thousands of families. Ceredigion & Carmarthenshire.
EvansFrom Ifan — a form of John
From Ifan, another Welsh form of John — densest in the west. Mid & West Wales.
WilliamsFrom Gwilym / William
From Gwilym — the second most common name in Wales. Gwynedd & the North.
ThomasFrom the apostle's name
Apostle name rooted deep in south Wales since the Middle Ages. Glamorgan & the South.
MorganFrom Morcant — sea-born
One of the few native names that predates the patronymic switch — old Glamorgan royalty. Glamorgan & Gwent.
RobertsFrom Robert
From Robert — carried across the north, from Caernarfonshire to the coalfields. Gwynedd & Denbighshire.
HughesFrom Huw
From Huw — strongest across north Wales. Anglesey & the North.
GriffithsFrom Gruffudd — a prince's name
From Gruffudd — the name of the last native princes of Wales. North & Mid Wales.
OwenFrom Owain — of princely lines
From Owain — as in Owain Glyndŵr, leader of the last great Welsh rising. Gwynedd & Anglesey.
PriceFrom ap Rhys — son of Rhys
ap Rhys — “son of Rhys” — fused into a single name. Powys & the Borders.
LloydFrom llwyd — grey
From llwyd, “grey” — one of the old descriptive bynames. Ceredigion & Powys.
From name to sett

Which tartan should you wear?

Every history here links to a tartan

Whether it's your family's registered sett, the Welsh National, or St David's, we make the cilt to your measurements — with matching waistcoats, sashes and accessories in the same tartan.

Welsh National, St David's and Welsh surname setts, all made to order.

A young tradition. An old nation. Your name in the pattern.

Trace your Welsh surname to its source, choose your sett — family, National, or St David's — and we'll make the cilt to your measurements.

Start your kilt
Frequently asked

Welsh families & tartans — common questions

Is Welsh tartan authentic, or invented?

It's a deliberately modern tradition with old roots — Wales made chequered brithwe cloth for centuries, and today's registered Welsh setts (National, St David's, and surname tartans) date mostly from the 20th century. That's the same story as most Scottish clan tartans, just told honestly.

What can I wear if I'm Welsh but my surname has no tartan?

The Welsh National tartan or the St David's tartan — both are open to anyone of Welsh birth or descent. They're the most popular Welsh setts we make, and they pair with the full cilt outfit.

Why are there so few Welsh surnames?

Because surnames formed late from a small pool of first names via patronymics. When 'ap Dafydd' froze into 'Davies' across thousands of unrelated families, a handful of names ended up covering most of Wales. Your specific line is traced through parish and region, not the surname alone.

What is a cilt exactly?

Cilt is simply the Welsh word for kilt. It's cut and pleated the same way, worn in Welsh tartans, and increasingly standard at Welsh weddings and on match days. We build cilts to the same made-to-measure standard as our Scottish kilts, in premium acrylic tartan.

Do names like Powell, Price and Bowen belong here too?

Yes — they're fossilised patronymics: ap Hywel → Powell, ap Rhys → Price, ab Owen → Bowen. They're as Welsh as Jones, and each has its own surname page and tartan guidance in the directory.

Can I order a custom kilt in my family's tartan?

Yes. Every kilt is made to order in your measurements, in any of our 5,000+ tartans — clan, district, county and national setts included. If your family sett isn't woven anywhere, our custom weave service can produce it.

What if my family has no tartan of its own?

You are never excluded from tartan. District and regional setts cover families without a clan tartan, national setts (Scottish, Irish, Welsh) belong to everyone of that heritage, and universal tartans such as Black Watch may be worn by anyone at all.

How does made-to-order work, and how fast is it?

You submit your measurements at checkout and each kilt is cut and hand-pleated to order. If you need it sooner, 700+ Quick Ship tartans deliver in 1–3 weeks.