Margaret Tennant Cochrane (12 January 1902 – 9 August 1988) was an English musician, singer and composer.

She was born in Streatham, London, the daughter of a civil servant, and was a musical child prodigy.

[1] She also sang to her own piano accompaniment, and with Jack Jackson's Orchestra, and appeared in the films Radio Parade of 1935 (1934) and Rhythm in the Air (1936).

[2] In 1937, she began working regularly with bandleader Jack Payne, appearing together at the 1938 Royal Variety Performance.

[5] They recorded together, toured troops in France as part of ENSA, and continued to broadcast regularly, with Cochrane sometimes performing her own piano compositions.