About Peter Onions
Lived 1724 – 1798 (aged 73–74). Peter Onions was a metallurgist and businessperson.
Peter Onions (1724 – 1798) was an English ironmaster and the inventor of an early puddling process used for the refining of pig iron into wrought iron.
Biography Onions was born in Broseley, Shropshire, later moving to Merthyr Tydfil in Wales. He married Elizabeth Guest, sister of John Guest, a founder of Guest, Keen and Nettlefold, which is today the British conglomerate GKN In 1783, Onions received patent number 1370 for his invention. Henry Cort later improved on Onion's process during the development of his puddling furnace.
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Important facts
People in Peter Onions's life
Named in this biography and alive at the same time
Contemporaries
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Frequently asked questions
Who was Peter Onions?
Industrial Revolution ironmaster
When was Peter Onions born?
Peter Onions was born in 1724.
When did Peter Onions die?
Peter Onions died in 1798.
What was Peter Onions's occupation?
Peter Onions was a metallurgist and businessperson.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Peter Onions. https://biography.guide/peter-onions/
MLA: "Peter Onions." Biography.guide, https://biography.guide/peter-onions/.
Chicago: "Peter Onions." Biography.guide. https://biography.guide/peter-onions/.
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