The Brigantes of northern England and the Brigantium of A Coruña share a name. Here is what 105 ancient places, 1,161 modern towns and twenty Roman inscriptions say about why.
I live near Clitheroe, in what was once Brigantes country. My wife is from Aldán, on the Galician coast a couple of hours south of A Coruña, the Roman Brigantium. My surname comes from a village in East Yorkshire. So when I read that the Brigantes and Brigantium might be connected, I wanted to know whether the evidence holds up. It turns out the answer is bigger than either place.
The story is old. In the medieval Irish Lebor Gabála Érenn, a king called Breogán builds a city called Brigantia and a great tower. From the top his son Íth sees Ireland, and the Gaels sail north to settle it. The tower in the story is usually taken to be the Tower of Hercules in A Coruña, a Roman lighthouse known as Farum Brigantium until the twentieth century. Galicia's anthem still calls the land the home of Breogán.
Across the sea, the Brigantes were the largest tribe in Roman Britain, centred on the Pennines and Yorkshire, with their capital at Isurium Brigantum, now Aldborough. Their queen Cartimandua handed the rebel Caratacus to Rome in AD 51. Ptolemy also places a people called Brigantes on the south-east coast of Ireland.
So we have a Brigantium in Galicia, Brigantes in England and Ireland, and an Irish legend linking Galicia to Ireland. Is that a trail, or a coincidence? Scholars call the Breogán story synthetic pseudohistory, built on likenesses like Iberia and Hibernia. But you can test the name itself with data, and that turns out to be the interesting part.
Brigantes comes from a Celtic word, *brigantī, "the high one". That word grows from an older root, Proto-Indo-European *bʰerǵʰ-, "high". The same root gave Celtic *brigā, "hill" or "hillfort", and on the Germanic side *bergaz, "hill" (German Berg, English barrow). It probably gave *burgz, "fort" too, the source of burg, borough and ‑bury, though some scholars put that one on a neighbouring root meaning "protect".
The explorer below maps the whole family. Pick a branch on the tree and the map shows every place that carries it: ancient names from the Pleiades gazetteer of the classical world, modern towns from GeoNames, and Roman altars from the inscription corpora.
The family tree of "high", mapped
Tap a branch to filter the map. Scroll or pinch to zoom, drag to pan, tap a dot for its record.
Ancient names: Pleiades gazetteer (October 2026), every attested name containing brigant-, ‑briga/-brica or brig-, plus ‑dunum for comparison; 33 more are recorded without a location. Modern: GeoNames towns of over 1,000 people in Europe whose names end in burg, borg, bourg, borgo, bury, borough, brough, berg or bjerg. Altars and descendants: hand-compiled, with a source on each record.
The first thing the map shows is that Celtic speakers had two everyday words for a fortified hilltop, and they used them in different places. In Iberia it was ‑briga: Conimbriga, Segobriga, Mirobriga, Iuliobriga. In Gaul and Britain it was ‑dunum: Lugdunum (Lyon), Camulodunum (Colchester), Sorviodunum (Old Sarum).
Where each hillfort word was used
Located ancient names in Pleiades, by region.
Pleiades, October 2026. Regions are drawn by longitude and latitude boxes; see notes.
That split is old news to Celtic scholars, but it is satisfying to see it fall out of an open dataset. Patrick Sims-Williams counted 153 Celtic-looking place names in ancient Hispania and found 62 of them, 41%, contain BRIG. The Pleiades data agrees: 36 of the 40 located brig- names it holds for Iberia are ‑briga compounds, against just two ‑dunum names.
It also matters for the Brigantes question. Galicia's Brigantium sits inside the densest brig- landscape in Europe. Northern England's Brigantes sit in a ‑dunum landscape, with no ‑briga towns at all. If a single group of people had carried the name from Galicia to Yorkshire, you might expect them to bring their naming habits too. They did not.
Narrow the search to the full word, brigant-, and only nine located places remain in Pleiades. They make a strange pattern: two in north-west Iberia (Brigantium and its lighthouse), four in the Alps (two Brigantio, Brigantium at Bregenz and Lake Constance, the "Brigantine lake"), and three in Britain and Ireland (two Brigantes and their capital).
That is the mystery in data form. Brigantium names do not trail across France like footprints from Galicia to Yorkshire. They pop up at the edges: the Atlantic headland of Galicia, the high Alpine passes, the Pennines. All three are high or remote places, which fits a name meaning "the high ones" or "the high place". The most economical reading is that a common Celtic word was used for high places and the people who lived in them, wherever Celtic was spoken.
Inscriptions tell us what people actually said. Here the two regions show a curious mirror image.
Altars to Brigantia, Lugus and Contrebis
Every located dedication in this post's list. Brigantia was worshipped only in northern Britain; the Lugoves only in Iberia and Gaul.
Roman Inscriptions of Britain (RIB 600, 627, 628, 630, 1131, 2066, 2091); Lugus dedications as listed in the Wikipedia article on Lugus, with approximate findspots for small villages.
Northern England worshipped a goddess called Brigantia: about eight altars are known, from Greetland and Castleford in West Yorkshire to Corbridge and Birrens on the Scottish border. One, at Adel near Leeds, was set up by a woman called Cingetissa. None is known from Iberia. Galicia worshipped the Lugoves, the plural form of the god Lugus, especially around Lugo. Carlisle's Roman name, Luguvalium, may carry the same god's name.
So Yorkshire has the goddess and Galicia has the place; Galicia has the gods and Cumbria may have the place. Then there is Lancaster. An altar found by a spring there in 1802 is dedicated to Ialonus Contrebis, and another to Contrebis comes from Overborough up the Lune valley. Contrebis means something like "he who dwells among us", from con- "together" and treb- "dwelling", the same compound as the Celtiberian towns called Contrebia in Spain.
Names shared by Galicia and the north of England
| Galicia / Iberia | Northern England | Shared root? |
|---|---|---|
| Brigantium (A Coruña) | Brigantes, Brigantia | Yes Celtic *brigantī, "high one" |
| Contrebia (Celtiberian towns) | Contrebis (Lancaster) | Yes Celtic con- + treb-, "dwelling together" |
| Lucus Augusti (Lugo), the Lugoves | Luguvalium (Carlisle) | Possibly the god Lugus, if not Latin lucus or a personal name |
| Lugo | River Lune (Lancaster) | No Lune is from *lǭn, "full", or the god Ialonus |
Every real match is a Celtic word, and every one also turns up elsewhere in Europe. That is what you would expect from two peoples speaking related Celtic languages, using the same stock of words for gods, high places and settlements. It is not what you would expect from a migration that left a signature only in these two places.
The root did not stop with the Celts. On the Germanic side it became Berg (hill) and Burg (fort), and those words now mark more than a thousand European towns of over 1,000 people.
Germanic cousins of brig-: towns per thousand
Share of each country's towns (over 1,000 people) whose names end in burg/borg/bourg/borgo, bury/borough/brough or berg/bjerg.
GeoNames cities1000, October 2026. Countries with at least 150 towns.
Britain has its own form, ‑bury and ‑borough, from Old English burh, and in 132 of its towns. Spain has six, Burgos among them, through Late Latin burgus. Galicia got its own Germanic wave too: the Suebi ruled it from the fifth century, and Aldán has a Suebic cemetery on the hill in the village centre.
The best part is where the two branches meet in one place. In three famous cases a Celtic hillfort name was replaced or translated by its Germanic equivalent. Elsewhere the Celtic name survived, or vanished altogether.
Aldborough is the one that matters here. The capital of the Brigantes, the "high ones", is today called by the Old English word burh. Both words, quite possibly, grew from the same Indo-European root. The Brigantes did not vanish from their capital's name; they were translated.
Names travel without people, so the strongest test of a Galicia–Yorkshire connection would be genetic. Here is the current state of the evidence, as far as I can find it.
So the genetics points to a France-centred route for the people, and possibly the language, that reached Britain in the late Bronze Age. It does not rule out Atlantic contact, but it gives no direct support to a Galician origin for the Brigantes.
The Brigantes question is really a small part of a big one. There are three main theories of where the Celtic languages began, and the map bears on each.
| Theory | Claim | What the name map shows |
|---|---|---|
| Celtic from the East | Celtic spread west from central Europe with the Hallstatt and La Tène cultures, from about 750 BC. | Harder to square with the densest brig- names sitting in far-western Iberia. |
| Celtic from the West (Koch, Cunliffe) | Celtic grew along the Atlantic coast in the Bronze Age, carried by sea networks. | Fits the Atlantic edge of the brigant- names, and the Galicia–Britain–Ireland triangle. |
| Celtic from the Centre (Sims-Williams, 2020) | Celtic radiated from France in the first millennium BC. | Fits the lack of variety in Iberian names, which he argues points to a young layer, and the DNA arriving from France. |
The name data alone cannot settle that argument. What it can do is show that the Brigantes–Brigantium likeness belongs to the shared vocabulary of a Celtic-speaking world from Galicia to the Alps and Yorkshire, whichever way that world formed.
Is there a Brigantes–Galicia connection?
| Line of evidence | Finding | |
|---|---|---|
| Name | Same Celtic word, *brigantī, "high one" | Real |
| Spread of the name | Three separate clusters, Galicia, the Alps and Britain/Ireland, with nothing between | Shared word, not a trail |
| Hillfort words | Galicia uses ‑briga; Brigantes country uses ‑dunum | Against |
| Gods | Brigantia only in Britain; Lugoves mostly in Iberia; Contrebis–Contrebia shared | Shared vocabulary |
| Legend | Breogán's tower is medieval, 11th century | Myth |
| DNA | No direct Iron Age comparison; Bronze Age migration from France | Not shown |
My reading is that the Brigantes and the people of Brigantium were not one tribe, and there is no good evidence that one came from the other. But they were connected, in a way that is arguably more interesting. They spoke related Celtic languages and drew on the same words for the sacred and the high. That word, *bʰerǵʰ-, had already split into Celtic brig-, Germanic Berg and burg, and Iranian bərəz-. Two thousand years later it is still on the map, in Bregenz, Bragança, Brigid, Brendan, Salisbury, Edinburgh and the Alborz.
What would settle it is the genetic test nobody seems to have run yet: Iron Age genomes from Galician castros compared with Iron Age burials from Brigantes country. Until then, the most honest thing to say is that the Brigantes and Brigantium share a language, not a family tree.
Every name on the map comes from open sources: the Pleiades gazetteer, GeoNames and the Roman Inscriptions of Britain. Tap any dot for its record.