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Portchester Castle’s black prisoners: an untold story

21 July 2017
Posted By:
Abigail Coppins
History Uncovered
Detail of an 18th-century painting of a black officer

New interpretation now open at Portchester Castle tells the story of a little-known aspect of the castle’s history – its role as a prison for prisoners of war. During the Revolutionary and Napoleonic wars with France of 1793–1815 the number of prisoners of war held at the castle reached its height. Curator Abigail Coppins has been researching the story of one group of mainly black and mixed-race prisoners who were brought to Portchester from the Caribbean. We sat down with Abigail to find out more about her research and why this extraordinary story is only now being told.

What’s the story?

This story is about how over 2,000 black and mixed-race men, women and children came to be at Portchester Castle at the end of the 18th century.

Most of them were captured on the island of St Lucia when Britain attacked the island in May 1796. They were part of the French garrison of Fort Charlotte, and when British forces captured the fort, the defending soldiers were taken as prisoners of war and sent to Britain to be imprisoned at Portchester. Most of the soldiers defending Fort Charlotte were local Caribbean troops, but there were a few European soldiers too. What’s really surprising is that some of the soldiers had their wives and children with them.

Painting of tall ships at sea

This watercolour of 1797 by Nicholas Pocock shows ships at Spithead, an anchorage near Portsmouth. Ships like these would have transported the prisoners of war across the Atlantic to Portchester Castle

Why were they fighting?

When war broke out between Britain and Revolutionary France in 1793, their overseas colonies were dragged into the war. France declared an end to slavery, and across the Caribbean many former slaves and free people of mixed race, as well as the indigenous people of the Caribbean, took up arms to fight against Britain in the French Revolutionary army.

Many of those captured at Fort Charlotte had once been slaves, and some of them were from the important free black communities on the islands of the Caribbean. We even have a black general, General Marinier, interned at Portchester.

What happened when they got to Portchester?

By the time the prisoners got to Portchester it was the beginning of winter and they weren’t really equipped to survive the cold English climate. They were given extra clothes and food, but conditions were still tough for them. Then the other prisoners started to steal from them. In the end the prison staff separated them from the other prisoners so that they had some protection.

Life was a bit easier for their wives and children. They were sent to Forton prison and hospital in nearby Gosport. They were given one of the hospital wards to live in and eventually their husbands were allowed to join them as well.

Eventually many of the soldiers and their families were sent to France as part of an exchange of prisoners, but it’s also possible that some of the soldiers enlisted in the Royal Navy or the British Army. It may seem strange to us now, but both services were actively recruiting from among the prisoner-of-war population at the time.

Read the full story of the Caribbean prisoners

Unfinished portrait of an 18th-century black soldier

Sketch of an unknown French soldier by Emile-Jean-Horace Vernet, c.1830 (Jacqueline Hyde, Paris/The Menil Foundation/The Image of the Black Archive and Library, Harvard University)

How did you come to research this story?

I’d been re-packing some of the finds from excavations at Portchester in the 1960s and 1970s. I got interested in the 18th-century prisoner of war phase at the castle and I started to look more closely at it. One of the things that really surprised me was just how many different nationalities were actually interned or imprisoned at the castle at that time.  When I saw that some of them were recorded as being from the West Indies, I started to wonder what their story was, particularly as the transatlantic slave trade was at its height during that period. So I decided to go straight to the original records and see what I could find out.

I wasn’t expecting to find out quite as much as I have done, and I’m still uncovering more detail. I now know that until you actually get into the records you just can’t tell what you’re going to find.

Why do you think this story hasn’t been told until now?

There could be many reasons. History has tended to concentrate on the lives of kings and queens, the aristocracy, generals and admirals. It can be easier to research the rich and famous as they tend to be written about more and recorded in documentary sources. That has been changing for a while now, but it’s meant that for a long time the sort of history that covered the lives of ordinary people, and especially ethnic minorities, has tended to be overlooked. So we have a lot of catching up to do.

I also think that this sort of history has been seen as rather niche – the Napoleonic wars in the Caribbean are not much studied in schools! But I think this is of interest to everyone and is a really important story for English Heritage to tell.

Why does this story matter?

In this country I think we often see the lives of black people in history represented either in their role as servants or as possessions in large country houses or plantations. Or we see them through the eyes of white evangelicals like William Wilberforce. There are some exceptions of course, but most black history in this country isn’t more widely known, particularly the incredible struggle against slavery in the Caribbean during the 18th century.  These events are well known in the Americas and the Caribbean, but not so much in the UK, even though Britain was a major player in those events. I really hope this changes.

The black prisoners at Portchester were active participants in the fight against slavery in the Caribbean. I really hope we can be inspired by them. I also hope that somewhere in the world today there are people who can trace their ancestry back to these extraordinary people.

Read more about the lives of black people in Britain in the 18th century

Statue of a young black boy sitting in a boat

A new display at Portchester Castle tells the story of the black prisoners. © Countzero Photography

You can learn more about the amazing story of the Caribbean prisoners in the new displays at Portchester Castle. This includes a listening post where you can hear extracts from the original records that detail the lives of the prisoners and those who came into contact with them at Portchester.

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  • About the Author

    Abigail Coppins
    Abigail is Curator of Archaological Collections at English Heritage.


  1. This is really interesting I remember reading that black prisoners were put on hulks the explanation was to keep them warmer. I enjoyed researching at Kew and was surprised at the different nationalities.

  2. Wow this is amazing, thanks so much for the story. How can we find out more? My family are British Jamaican and i want to share this with my children.

  3. Thank you for sharing, we’re glad this resonated with you. Our website has lots of information about the history of Portchester Castle as well as how to visit We hope you enjoy!

  4. This is an amazing read kudos to you for findings on this post and enduring to find out much much more about these ppl it is truly amazing the things that get (put to the back of the cuboards I will not be able to make it down and wonder how and we’re I could get. Ycb more information on this post pls thankyou very much in advance

  5. Hi Carol,

    Take a look at our website for plenty more information about Portchester Castle We hope you find what you’re looking for.

  6. My family is from St Lucia and I have been uncovering some the history of the island during 18th and 19th centuries. So, this is of particular interest to me. Thank you very much for sharing this story.

  7. You’re welcome Andrew. Good luck with your family history!

  8. Thank you for shedding light on this long-forgotten part of British history. This is made even more poignant in light of recent events concerning the so-called “Windrush Generation. “

  9. Excellent article! Thoroughly enjoyed reading this. I have previously been a member of English Heritage and really would like to visit Porchester Castle and delve into some research. Thank you.

  10. Fantastic article and great piece of history find. I will definitely be visiting this site to learn more. Look forward to the final complete work of this fascinating piece of black/ british history.

  11. Thank you so much Sandra. We’re glad you enjoyed the post and look forward to seeing you at Portchester Castle soon.

  12. Hi Rosemina, thank you for your comment. We’re glad the blog has inspired you and we look forward to welcoming you to our sites again soon. You can re-visit membership on our website and have access to more than 400 historic places across the country for a whole year.