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The Cornish Language: Death and Resurrection

Quick answer: Cornish (Kernewek) is Cornwall’s own Celtic language, a close cousin of Breton and Welsh. It was the everyday language of most Cornish people until around 1500, then retreated west for three centuries until only scattered speakers were left by the 1800s. It never quite died. A revival that began in 1904 has brought it back: it now has a standard spelling, official protection since 2026, classes, exams, and children learning it in school. You meet it every day in Cornwall’s place names. Here’s how it fell, how it came back, and a few words to try.

Visitors notice it before they know what it is: the Tre-, Pol- and Pen- of the place names, the second line on the street signs, the black-and-white flag. Behind all of it is a language with a remarkable story. It was written in medieval religious plays, given a death date that turned out to be wrong, and then brought back by people who refused to let it go. This is the companion to our history, The Story of Cornwall.

Table of Contents

  1. Where Cornish comes from
  2. The golden age: Glasney and the medieval plays
  3. The long retreat
  4. Dolly Pentreath and the “last speaker” myth
  5. The revival
  6. Cornish today
  7. Reading the map: Cornish place names
  8. A few words to try
  9. Where to learn Cornish
  10. FAQ
  11. References and resources

Where Cornish comes from

Cornish is a Brythonic Celtic language, the branch that once covered most of Britain before English arrived. Its closest relative is Breton: in the 5th and 6th centuries migrants from south-west Britain carried their language across the Channel to Brittany, and the two still share much of their vocabulary. Welsh is a slightly more distant cousin. As a spoken community language, Cornish is usually dated from around AD 600 to around 1800, and scholars divide it into Old Cornish (roughly 800–1200) and Middle Cornish (roughly 1200 to the later 1500s), followed by a Late Cornish period whose starting date is still argued over.

The golden age: Glasney and the medieval plays

The high point of written Cornish came from a college of priests at Penryn. Glasney College was founded in 1265, and its clergy are almost certainly the authors of the Ordinalia, a cycle of three plays from the late 14th or early 15th century that tells the story of the world from the Creation to the Resurrection. Plays like these were performed outdoors in plen-an-gwari, the round “playing places” whose remains still survive in a few Cornish parishes.

More has survived than you might expect. Bewnans Meriasek, a play about the saint of Camborne, was written down in 1504. A second saint’s play, Bewnans Ke, lay unknown until it was found in 2000 among a scholar’s papers in the National Library of Wales. There are 41 lines of Cornish verse on the back of a charter from 1340, and the Tregear Homilies, sermons translated into Cornish around 1560, make up the largest body of traditional Cornish prose. They were only rediscovered in 1949.

The long retreat

Cornish was the ordinary language of most people in Cornwall until around 1500, but English had been pushing west for centuries. By the 1300s most communities east of a line from the Camel estuary through Bodmin to Fowey were speaking English, and the language border kept moving. Then came two blows in two years. Glasney College was closed in 1548, in the Reformation, and in 1549 the English Prayer Book replaced the Latin mass. Cornwall rose in the Prayer Book Rebellion, and the rebels’ demands complained, in their own spelling, that “certen of vs vnderstade no Englysh”. The rising was crushed, and the church, which had kept Cornish alive in writing, now worked in English.

By the end of the 16th century the historian Richard Carew wrote that English had driven Cornish into “the uttermost skirts of the shire”. Estimates of how many people spoke it are exactly that. One well-known model suggests around 33,000 speakers in 1500 and around 5,000 by 1700, though other historians think its method is seriously flawed. What is clear is the geography: by the 1700s Cornish survived only in the far west, in West Penwith and along the coast towards St Keverne.

Some people saw the end coming and wrote it down. The Welsh scholar Edward Lhuyd visited Cornwall in 1700 and recorded the language for his Archaeologia Britannica, published in 1707. In the far west, a circle of gentlemen scholars, among them John Keigwin of Mousehole and the Boson family of Newlyn, wrote poems, letters and prose in Cornish while they still could.

Dolly Pentreath and the “last speaker” myth

Every Cornish schoolchild used to learn that Cornish died with Dolly Pentreath, a fish-seller from Mousehole (the village now famous for its Christmas lights), who died in 1777. She was a real native speaker, but she wasn’t the last. A year before her death, a Mousehole fisherman called William Bodinar wrote a letter partly in Cornish, and research published in 2025 suggests that somewhere between ten and ninety-nine people still spoke the language in the late 18th century. Knowledge of it lingered much longer than that: John Davey of Zennor, who died in 1891, still remembered some of it. Cornish faded as a community language rather than dying with any one person, and it was never completely lost.

The revival

The revival began with one book. In 1904 Henry Jenner published A Handbook of the Cornish Language, and in its preface he asked why anyone should learn Cornish when there was no money in it. His answer is still quoted: “Because they are Cornishmen.” In 1928 Jenner and Robert Morton Nance held the first Gorsedh, a gathering of Cornish bards, at the stone circle of Boscawen-Un, and in 1929 Nance published Cornish for All, setting out a standard form of the language based on the medieval texts.

The revival wasn’t smooth. From the 1980s rival spelling systems divided the learners: Kernewek Kemmyn, launched in 1986; Unified Cornish Revised; and a Late or Modern Cornish based on the language’s last centuries. The dispute ran for twenty years, until in 2008 the groups agreed a single Standard Written Form, used ever since in schools, signs and official documents. Today Akademi Kernewek is the body recognised for the dictionary and the spelling of place names.

Recognition followed. In 2010 UNESCO moved Cornish from “extinct” to “critically endangered”. Government funding, cut in 2016, returned with £500,000 in 2024 as part of Cornwall’s devolution deal. In January 2026 Cornish was given the highest level of protection under the European Charter for Regional or Minority Languages, the same level as Welsh, Scottish Gaelic and Irish.

Cornish today

Nobody knows exactly how many people speak Cornish. In the 2021 census, 471 people in Cornwall gave it as their main language, but that question only counts people who use it more than English. Cornwall Council’s language strategy for 2026 to 2036 estimates that around 500 people have an advanced knowledge of Cornish, with a handful of native speakers who were raised in it, and many more who know some.

  • In schools: about 30 schools take part in the council’s Go Cornish programme, reaching around 6,000 children a year. The strategy’s aim is for every child to leave primary school with a basic knowledge of the language, and in the long run to open a Cornish-medium school.
  • For adults: more than 200 people a year sign up for classes, and there are graded exams up to an advanced level.
  • On the streets: new street nameplates in Cornwall are bilingual, with English above and Cornish below, and there are more than 3,600 of them. Traffic road signs are still English-only, because the council needs the Department for Transport’s permission to change them, and it is asking.

Reading the map: Cornish place names

The easiest way to meet Cornish is on the map. Most Cornish place names are Cornish words. Carew recorded the old rhyme in 1602: “By Tre, Pol, and Pen, / You shall know the Cornishmen.” Here are the words you’ll see most often:

CornishMeaningYou’ll see it in
trefarm, settlementTregony, Trelissick, Tresillian
polpool, creek, covePolperro, Polzeath, Polkerris
penhead, headland, topPenzance, Pendeen, Penryn
porthcove, harbourPorthcurno, Porthleven, Porthtowan
chyhouseChysauster
bosdwellingBosavern, Bosullow
nansvalleyNancledra, Nansidwell
rosheath, uplandRoseland
carnrock pile, torCarn Brea, Carn Euny
menstoneMen-an-Tol
egloschurchEgloshayle, Egloskerry
lanholy enclosureLanhydrock, Launceston
Meanings from the Cornish place-name scholar Peter Pool.

A few words to try

Spellings follow the Standard Written Form, the agreed spelling used in schools and on signs.

  • Kernow: Cornwall.
  • Kernewek: the Cornish language.
  • Dydh da: good day, the everyday greeting.
  • Meur ras: thank you.
  • Yeghes da!: cheers, literally “good health”.
  • Dha weles: see you, the usual goodbye.
  • Kernow a’gas dynnergh: Cornwall welcomes you, a phrase you’ll see on signs.
  • Kernow bys vykken: Cornwall forever, the county’s favourite slogan.

Where to learn Cornish

  • Go Cornish: the council’s own learning hub, with classes, phrases and apps.
  • SaySomethingin Cornish: a free, audio-only online course, good for starting from nothing.
  • Kesva an Taves Kernewek (the Cornish Language Board): founded in 1967, it runs exams from Grade 1 to Grade 4 and online courses.
  • Kowethas an Yeth Kernewek (the Cornish Language Fellowship): a learners’ charity since 1979, running Cornish weekends and Saturday classes.
  • Events: Speak Cornish Week is held in late June, and the Gorsedh Kernow ceremony takes place in early September, at Bodmin in 2026. On St Piran’s Day, 5 March, the language is everywhere; see our festivals guide.

FAQ

Q: Is Cornish a dead language?
A: No. Cornish faded as a community language in the 18th and 19th centuries, but it was never completely lost, and a revival that began in 1904 has brought it back. It has had a standard spelling since 2008 and the highest level of official protection since 2026.

Q: How many people speak Cornish?
A: Cornwall Council estimates around 500 people have an advanced knowledge of Cornish, with a handful of native speakers and many more learners. In the 2021 census, 471 people in Cornwall gave it as their main language.

Q: Is Cornish like Welsh?
A: They are related Brythonic Celtic languages, but Cornish is closest to Breton, the language of Brittany, which was carried there by migrants from south-west Britain in the 5th and 6th centuries.

Q: What does Kernow bys vykken mean?
A: Cornwall forever. It’s the county’s favourite slogan, seen on flags, stickers and car bumpers.

Q: How do you say thank you in Cornish?
A: Meur ras. “Good day” is dydh da, and “cheers” is yeghes da.

Q: Who was the last speaker of Cornish?
A: Dolly Pentreath of Mousehole, who died in 1777, is often called the last native speaker, but she wasn’t. Other speakers outlived her, and knowledge of the language survived into the late 19th century.

Q: Where can I learn Cornish?
A: Start with Cornwall Council’s Go Cornish hub or the free SaySomethingin Cornish course. Kesva an Taves Kernewek runs exams and online courses, and Kowethas an Yeth Kernewek runs classes and Cornish weekends.

References and resources