Molly's involvement in espionage and intelligence activities began during World War II. She worked as a cipher clerk for the British intelligence agency, MI6, and was involved in decoding encrypted messages. Her work with MI6 brought her into contact with several high-ranking officials, including Sir Stewart Menzies, the head of MI6.

Molly Stewart Maitland Ward was born on June 7, 1908, in London, England. Her early life remains somewhat of a mystery, but it is known that she came from a respectable family and was educated at a convent school in France. After completing her education, Molly moved to London, where she began working as a social secretary for a prominent aristocratic family.

In 1930, Molly married David Maitland Ward, a British politician and member of the aristocracy. The marriage was seen as a strategic move, as David's family had significant influence and wealth. However, the marriage was short-lived, and the couple divorced in 1935.