Following the death of William's father in 1718, when William was about 13, the family became impoverished, as result of the collapse of the South Sea Company in 1720. William became an apprentice of Silvanus Bevan and Timothy Bevan, Quaker chemists of London: to save the coach fare, he walked from Plymouth to London. The Bevans established a partnership with him after his apprenticeship ended, with the firm of Bevans and Cookworthy, wholesale chemists and druggists, being set up in Plymouth, Devon in 1726.[3]
In 1745 William and his brother Philip acquired the Bevans' interests in the Plymouth firm,[4] and Philip was a partner. But, following the death of his wife Sarah at Plymouth on 11 September (Quaker 7th month) 1745,[5] William took a break from his business, staying at Looe, Cornwall: his brother Philip handled its day-to-day affairs. Philip remained in effective control of the business, while William turned his attention to his Quaker interests and to the use of Cornish china clay in the manufacture of porcelain.[3] William's nephew, another Philip Cookworthy, subsequently became a partner.[6][7]
China Clay and Porcelain
Probably in the second half of the 1740s William discovered deposits of china clay and moorstone, key ingredients of porcelain, in Cornwall. By 1758 he was able to use these successfully. He then found large deposits of them in the St Austell region of Cornwall,[3] and the exploitation of these was the start of what became an important local industry (the resulting spoil heaps and pits are a very visible feature of the landscape[8]). Thomas Pitt was one of the landowners and correspondence between the two men is held by the British Library.[9] With Thomas Pitt's assistance, William was granted a patent for the manufacture of porcelain from the Cornish deposits in 1768, and Thomas also gave him financial support. William established a factory near the quay of Plymouth, Devon.[3]
Two years later, in 1770, production moved from Plymouth to Bristol, perhaps because of quality issues. There William was in partnership with Richard Champion. In May 1774 he transferred his patent and share of the factory to Richard in return for an annuity for him and his heirs. Financial problems resulted in the factory closing in 1778.[3]
Religion
After his wife's death in 1745, William began to engage more seriously in Quakerism. In the second half of the 1740s, with Quaker pacifist principles in mind, he sought to persuade other Plymouth Quakers not to have dealings in goods taken from ships captured in the War of Austrian Succession. He was a recognised Quaker minister and represented Devon Quakers in London Yearly Meeting.[3]
Although a prominent Plymouth Quaker, he received the sacraments of bread and wine on his deathbed, even though this was counter to Quaker principles.[3]
Translations and writings
William translated religious works, and helped to introduce the works of Emanuel Swedenborg to Britain. His translation of Swedenborg's The Doctrine of Life appeared in 1763 and was the first appearance of a work by Swedenborg in English; that of Swedenborg's Heaven and Hell was published in 1778.[3]
In 1778 William wrote an essay on the use of divining rods in locating metal ores: this was published in Mineralogia Cornubiensis by William Pryce.[3]
On 12 February 1735/6 William married Sarah Berry (daughter of Peter and Elizabeth Berry) at Taunton Quaker Meeting House, Somerset.[3] They had the following children:
Lydia, born at Plymouth, Devon on 29 January 1736/7 (Quaker 11th month 1736)[10][11]
Sarah, born at Plymouth, Devon on 12 June (Quaker 4th month) 1738[12][13]
Mary, born at Plymouth, Devon on 18 November (Quaker 9th month) 1740[14][15]
Elizabeth, twin of Susanna, born at Plymouth, Devon on 16 March (Quaker 1st month) 1743,[16][17] died on 8 March 1749 and was buried on 10 March at Plymouth Quaker burial ground[18][19]
Susanna, twin of Elizabeth, born at Plymouth, Devon on 16 March (Quaker 1st month) 1743[20][21]
Death and Will
William died at his Plymouth home[3] on 17 October 1780 and was buried at Plymouth Quaker burial ground on 22 October.[22][23][24] His will, dated 26 May 1780, was proved on 22 March 1781. In it he:[6][7]
described himself as a druggist of Plymouth, Devon
named:
his daughters Lydia Cookworthy, Mary Hobson, Sarah Fox and Susanna Harrison (wife of George Harrison)
his brother Benjamin Cookworthy and Benjamin's daughter Sarah Cookworthy
his brother Jacob Cookworthy
his nephew and partner Philip Cookworthy
his servants John Ryder, William Gillet, William Hodge, William Webb and Mary King
made his daughters Lydia, Sarah and Susanna residuary legatees
appointed as executors George and Susanna Harrison (his son-in-law and daughter) and his daughters Lydia Cookworthy and Sarah Fox
Legacy
There is a memorial to William on Tregonning Hill in the parish of Germoe, Cornwall, where William first discovered Cornish china clay.[25]
A Cookworthy Museum, named after William, was opened at Kingsbridge, Devon in 1972. It focuses on the social history of the area.[26]
Research Notes
The Cookworthys' chemist and druggist shop continued as a pharmacy until 1974 when the last proprietor retired. The business had flourished supplying merchant ships in the busy port.
The earliest known extant piece of Cookworthys' hard-paste is now in the British Museum; a blue decorated mug bearing the Arms of Plymouth with the inscription "14 March 1768 C.F."[27] The British Museum collection includes other products of his factories, with images viewable on the museum website.
Sources
↑ The National Archives, ref. RG6/1596, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Kingsbridge, births, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FWXB-TLM), William Cookworthy, 12 Feb 1705, Birth; citing p. 61, West Alvington, Devon, record group RG6, Public Record Office, London
↑ 3.003.013.023.033.043.053.063.073.083.093.103.113.12Oxford Dictionary of National Biography, entry by Angus J L Winchester for 'Cookworthy, William', print and online 2004, revised online 2022 ($ for web access, or free via some libraries etc)
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, burials, FindMyPast
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, births, FindMyPast: transcript gives year as just 1736
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F7NL-SJB), William Cookworthy in entry for Lydia Cookworthy, 29 Jan 1736, Birth; citing p. 119, Plymouth, Devon, record group RG6, Public Record Office, London: gives year as just 1736
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, births, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F7L4-2RQ), William Cookworthy in entry for Sarah Cookworthy, 12 Nov 1738, Birth; citing p. 121, Plymouth, Devon, record group RG6, Public Record Office, London: misreads date as 12 November
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, births, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," FamilySearch (https://familysearch.org/ark:/61903/1:1:FQSZ-MLT), William Cookworthy in entry for Mary Cookworthy, 18 Nov 1740, Birth; citing p. 125, Plymouth, Devon, record group RG6, Public Record Office, London
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, births, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," FamilySearch (https://familysearch.org/ark:/61903/1:1:FWXS-R7S), William Cookworthy in entry for Elisabeth Cookworthy, 16 Mar 1743, Birth; citing p. 125, Plymouth, Devon, record group RG6, Public Record Office, London
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, burials, FindMyPast: transcript misreads the day of death as 1 March
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," FamilySearch (https://familysearch.org/ark:/61903/1:1:FQSF-4X9), Elizabeth Cookworthy, 10 Mar 1749, Burial; citing p. 127, Plymouth, Devon, record group RG6, Public Record Office, London
↑ The National Archives, ref. RG6/1480, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Plymouth, births, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," FamilySearch (https://familysearch.org/ark:/61903/1:1:FQ2L-22N), William Cookworthy in entry for Susanna Cookworthy, 16 Mar 1743, Birth; citing p. 125, Plymouth, Devon, record group RG6, Public Record Office, London
↑ The National Archives, ref. RG6/276, DEVON: Monthly Meeting of the West Division of Devon (comprising Plymouth, Kingsbridge, etc): Burials, FindMyPast
↑ "England and Wales Non-Conformist Record Indexes (RG4-8), 1588-1977," FamilySearch (https://familysearch.org/ark:/61903/1:1:VWCY-JQQ), William Cookworthy, 22 Oct 1780, Burial; citing p. 153, Plymouth, Devon, record group RG6, Public Record Office, London
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