Mary Coombs (Updated 26 March with additional links)

It is with great regret that we have to report that Mary Coombs, one of the LEO pioneers passed away  on 28thFebruary 2022 at Stoke Mandeville Hospital, at the age of 93. Mary was the World’s first female business computer programmer joining the LEO team in 1952. We will let members know when the funeral is arranged. Mary was a good friend of the society and will be sadly missed. You can see Mary’s obituary on the CCH Website Here. Other published Obituaries include The Times, Computer Weekly, Computing, BCS, The Register, The News Trace, The Guardian , The Daily Telegraph, The ACM, Wikipedia, Bucks Free Press, Elective College and Radio 4’s  Last Word on Friday (18th March) at 4p.m. , repeated on Sunday (20th March) at 8.30 p.m. – and available as a podcast thereafter -Listen at:

There is also a recording of a recent Zoom meeting held to remember Mary –Zoom Recording and copy of the presentation deck used by Hilary Caminer Presentation

Mary appeared in our/CCH recent film about LEO remembering the early days of LEO (and if you haven’t seen it or want to watch it again go here )and there was a short BBC Witness History feature made about her- available for viewing at and her school, Putney High School also celebrated her at:

For those interested in Mary’s life you can read a transcript of her Oral History at the British Library here.

Picture of Mary below. Copyright Mike Hally/LEO Computers Society

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