Major Dr. Thomas Joseph Crean, was an Irish rugby union player, British Army soldier and doctor. During the Second Boer War, while serving with the Imperial Light Horse, he was awarded the Victoria Cross. In 1902, he was made an Honorary Fellow of the Royal College of Surgeons. During the First World War he served with the Royal Army Medical Corps and was awarded the Distinguished Service Order.

The Johannesburg Light Horse Regiment, is a reserve armoured car reconnaissance unit of the South African Army.