Maurice John Cary was born in London in 1871, the son of George Goldney Cary, a barrister at law.[3]
Cary migrated to Ceylon in 1896 where he served as the manager of the Colombo Commercial Company Ltd. He was a director of the Colombo YMCA between 1929 and 1930, and was the chairman of the Ceylon Chamber of Commerce between 1929 and 1931.[4][5]
Cary married Emily Winifred Thomas on 30 October 1900 at the Isle of Wight.[6]