Black Lives Matter: The price of a slave in the18th Century

Credit: Image courtesy of University of Cambridge

A list detailing the names, ages and prices of slaves bought by British
plantation owner William Philip Perrin from John Broomfield in 1796.

Price of Britain’s slave trade revealed

"What these letters reveal, apart from a total lack of empathy for their 
human commodities is the sheer amount of money involved."

Letters and papers revealing in detail how human beings were priced for sale during the 18th century Transatlantic Slave Trade have been made available to researchers and the public.

Letters discussing the value and sale of slaves in the 18th century, which provide a distressing reminder of the powerful business interests that sustained one of the darkest chapters in British history, are to be made available to researchers and the public by St John's College, University of Cambridge.

The collection contains the business exchanges of an 18th century English landowner, William Philip Perrin, who ran a sugar plantation near Kingston, Jamaica. In it, Perrin and his correspondents discussed in callously practical terms the human cargo that was being shipped to the West Indies at the height of the Transatlantic Slave Trade, a time when the equivalent of millions of pounds were changing hands as slaves were bought and sold.

The papers have been acquired by St John's College, which was the undergraduate College of leading anti-slavery campaigners William Wilberforce and Thomas Clarkson, whose combined efforts helped to bring about the Abolition Bill of 1807. While the College already holds a wide-ranging collection of material dealing with the anti-slavery movement, these documents tell the other, rarely-discussed side of the story, by providing an insight into the wealth and influence that lay behind the pro-slavery lobby.

One list, dating from 1797, contemporary with Clarkson's own evidence-gathering campaign against slavery, details the names, ages and prices of slaves to be bought for Perrin's plantation. The note, described as "a list of Mr John Broomfield's negroes, with their age and valuation," catalogues 35 men and 19 women, as well as children as young as 14, who had been valued for sale as slaves.

Entries such as "Dick, 25, able field negro, £140" and "Castile, 45, cook and washerwoman, £60" provide a stark and shocking reminder of the high financial stakes that Clarkson and his contemporaries struggled to overthrow. The total valuation for 54 male and female slaves came to £5,100, a sum equal to around £500,000 today.

The collection is being added to an extensive range of material, already held by the College Library, dealing with the political and social conflicts faced by the anti-slavery campaigners in the fight for Abolition. This is made available both to researchers studying the period, and also used as part of educational activities with schools, enabling students to examine primary sources and discover the historic significance of the Abolitionist movement.

Kathryn McKee, Special Collections Librarian at the College, who acquired the papers, which were previously held in Derby County Records Office, said: "These documents provide first-hand evidence of the sale of slaves to British plantation owners. Though appalling to modern eyes, for those involved these were matter-of-fact business transactions: a routine part of the 18th century economy in which business magnates made substantial profits from commodities produced by slave labour and their customers benefited from cheap goods. In opposing the traffic in human cargo, Clarkson, Wilberforce and the Abolitionists were challenging powerful vested interests."

The papers date from between 1772 and 1797, at the time when the Transatlantic Slave Trade in Britain and America was at its peak, and deal with the day-to-day running of Perrin's plantation in Jamaica. Among letters and bills of sale specifying property disputes, shipping preparations and customs duties, are chilling details revealing the ubiquity and commercialisation of slavery and the vast industry it supported.

A letter from 1796 states that one of Perrin's estate managers had been "on the lookout for a gang of up to 60 able-bodied Negroes" to purchase on Perrin's behalf to work on developing his Grange Hill estate. Another discusses how buying cheap slaves to work the land for sugar cane would "relieve the estate from the expense of buying cattle," and allow for more sugar to be sold for rum, which brought in a profit of £4,500 a year, equal to around £400,000 today. A later note assures the reader that the slaves are "happy and contented with their situation."
The Price of Emancipation:
Slave-Ownership, Compensation
 and British Society
at the End of Slavery

(Cambridge Studies in Economic History - 2nd Ed.)

by Nicholas Draper

Order new or used from
Powell's Books

Kathryn said: "What these letters reveal, apart from a total lack of empathy for their human commodities is the sheer amount of money involved. Many anti-slavery campaigns were grassroots efforts by ordinary people, while the pro-slavery lobby had significant wealth and influence they could use to exert pressure on Parliament."

The anti-slavery campaigners faced vicious and well-funded opposition both in Parliament and on the streets. On one trip in 1787 to Liverpool, which along with Bristol was one of the major hubs of the slave trade in England, an attempt was made to drown Clarkson in the docks for asking too many questions.

Despite this hostility, and after a 20 year struggle, the Abolitionists finally achieved victory on 25 March 1807, with the passing of a Bill to abolish the slave trade, making the sale and purchase of slaves illegal in Britain. Clarkson, reflecting on this momentous event, wrote in 1808:

"Thus ended a contest, not of brutal violence, but of reason. A contest between those who felt deeply for the happiness and the honour of their fellow-creatures, and those who, through vicious custom and the impulse of avarice, had trampled underfoot the sacred rights of their nature."

Story Source: Materials provided by University of Cambridge, original story licensed under a Creative Commons Licence. "Price of Britain’s slave trade revealed." ScienceDaily, 12 August 2015. 


  1. Thanks a lot for this invaluable reports on human atrocity against their fellow beings which has been a part of history in every country! But the positive side to the picture is there has always been opposition of the just & the righteous who fought for human liberation.......

  2. Don't thank me, thank the people at the University who have cataloged and made this material available. I'm just the messenger.


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