Margaret Betts
British WWII Bletchley Park codebreaker
About Margaret Betts
Lived 1923 – 2023 (aged 99). Margaret Betts was a British cryptanalyst.
Margaret Betts (née Booth; 27 December 1923 - 26 August 2023) was a Bombe operator at Bletchley Park during World War II.
Early life and education Margaret Betts was born on December 27 1923 in the port town of Ipswich in Suffolk, England. Her parents were Daniel and Dorothy (née Cubitt) Booth. She and her two brothers Patrick and John won scholarships and attended Ipswich High School, Suffolk.
Codebreaking In 1942 her older and newly married brother Patrick was reported missing and presumed dead after his ship MV Abosso was sunk by a German U-boat. She was determined to become involved in the war and at the age of 19 enlisted in the Women's Royal Naval Service (WRNS, known as the Wrens).
After a selection process she started codebreaking in the summer of 1943. Originally assigned to Eastcote and Gayhurst she became a Bombe operator at Bletchley Park starting in mid 1945. On VE Day she was asked to stay on and work on Japanese codes until VJ Day.
Personal life In 1947 she married Antony Sneezum. After marriage they changed their name to Betts. Antony had been a prisoner of war and survived forced labor by the Japanese on the Burma Railway (called the Death Railway). He died in 1994.
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Important facts
People in Margaret Betts's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Margaret Betts's
Frequently asked questions
Who was Margaret Betts?
British WWII Bletchley Park codebreaker
When was Margaret Betts born?
Margaret Betts was born on 27 December 1923 in Ipswich.
When did Margaret Betts die?
Margaret Betts died on 26 August 2023 in Minehead.
What was Margaret Betts's occupation?
Margaret Betts was a cryptanalyst.
What nationality was Margaret Betts?
Margaret Betts was British.
Sources & further reading
· DBpedia: Margaret Betts (Bombe operator)
Cite this page
APA: Biography.guide. (2026). Margaret Betts. https://biography.guide/margaret-betts/
MLA: "Margaret Betts." Biography.guide, https://biography.guide/margaret-betts/.
Chicago: "Margaret Betts." Biography.guide. https://biography.guide/margaret-betts/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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