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Mary Coombs

British computer programmer, first female commercial programmer · United Kingdom · On the map · Developers · Lived 1929 to 2022 · aged 93

Mary Clare Coombs was a British computer programmer and schoolteacher. Employed in 1952 as the first female programmer to work on the LEO computers, she is recognised as the first female commercial programmer. The National Museum of Computing documents her contribution.

Mary Coombs is read about 4 times a day, in 5 languages.

A typical day, 30 days to 20 September 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

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