 Clifford was appointed Knight Commander of the Order of St Michael and St George (KCMG) in 1909, Knight Grand Cross of the Order of St Michael and St George (GCMG) in the 1921 Birthday Honours, and Knight Grand Cross of the Order of the British Empire (GBE) in 1925.Clifford died peacefully on 18 December 1941 in his native Roehampton.His widow, Elizabeth, died on 30 October 1945.