Fu eletto membro della Royal Society nel maggio 1933.[7]
Fu nominato CMG (Companion of the Order of St.Michael and St.George) nel 1917, CBE (Commander of the Most Excellent Order of the British Empire) nel 1919 e cavaliere nel 1951.
^Head, H.; Holmes, G. (1911). "Sensory Disturbances from Cerebral Lesions". Brain 34 (2–3): 102. doi:10.1093/brain/34.2-3.102
^Pearce, J. M. S. (2004). "Sir Gordon Holmes (1876–1965)". Journal of Neurology, Neurosurgery & Psychiatry 75 (10): 1502–1503. doi:10.1136/jnnp.2003.016170. PMC 1738734. PMID 15377710
^Oswald, N. C. (2003). "A glimpse of Sir Gordon Holmes, MD FRS, neurologist (1876-1965)". Journal of medical biography 11 (3): 182. PMID 12870047
^"Sir Gordon Holmes (1876-1965)". JAMA: the Journal of the American Medical Association 213 (7): 1184–1185. 1970. doi:10.1001/jama.1970.03170330064012. PMID 4914581
^Penfield, W. (1967). "Sir Gordon Morgan Holmes (1876-1965)". Journal of the neurological sciences 5 (1): 185–190. doi:10.1016/0022-510X(67)90016-0. PMID 4863052
^Walshe, F. M. (1966). "Sir Gordon Morgan Holmes, C.M.G., C.B.E., F.R.S". Nature 209 (5026): 853–854. doi:10.1038/209853a0. PMID 5332144