Desmond Murree Fitzgerald Hoysted was born at Murree in the Panjab, his father, who later became Surgeon-General, Madras Presidency, Indian Army, being then stationed in India. Educated at Kugby School and the Royal Military Academy, he was appointed to the Royal Engineers, and promoted in 1894 Lieutenant in the 26th Field Company, R.E. He served in the Alexandria Garrison of the British Army of Occupation in Egypt, and it was during this long service in Egypt that he acquired a taste for Oriental subjects. In 1930, retiring form the army, he took up the post of Secretary, Royal Asiatic Society, which he held for ten years until 1940.