Margaret Louise Church [commonly known as Margaret Church; also known as Margaret Church Lubetkin; and a M. L. Church] was born in Amersham, Buckinghamshire, England on 10 October 1916. She was the granddaughter of a founder of the Tate & Lyle sugar group and is described in contemporary sources as an an architectural student. In 1934 whilst he was returning from the First All-Union Conference of Soviet Architects in Moscow, she met the Russian émigré architect Berthold Lubetkin (1901-1990) whom she subsequently married in London in April 1939.
In 1936 Lubetkin recruited a group of ex-Architectural Association students to join him in forming a new architectural collective, called Tecton, based in London. Church's name is not listed as among the original members of the group, although she is credited as associated with the group in Decorative Art in vol. 32, 1937. A photograph of the living room of a flat at Highgate, London, designed by M.B. Cooke, M.L. Church & Tecton is illustrated on p. 47, and a photograph of Basic dining room furniture, designed by M.B. Cooke, M.L. Church & Tecton, and manufactured by B. Cohen & Sons is illustrated on p.70. She and Lubetkin collaborated in the design of furniture for their apartment at Highpoint I in Highgate, London
In 1952 Lubetkin gave up architecture and the couple moved to Gloucestershire where they ran a farm until 1969. She died in Clifton Bristol, Gloucestershire on 21 March 1978
'Obituary: Margaret Church Lubetkin'. Architects' Journal vol. 167, no. 14, 5 April 1978, p. 636.