In 1911, Wilson was boarding in house 39, Rugby Road, Cromac Ward, Belfast. He is described as a Bank Official and was of Presbyterian faith.
Demobilisation came in March 1919. He was awarded the British Victory Medal and the British War Medal.
The Campbell College Register of Lennon Wylie records Wilson, Henry Pringle Malcolmson, b. 20th August, 1888, son of Geo. Wilson, 58 South Parade, Belfast. L.V, Dec., 1904. Bank Official. Great War: H.A.C., 2nd Lieut., 1918. Manager, Northern Bank, Magherafelt; Manager, Northern Bank, Ballynahinch, (1938-44); Manager, Shaftesbury Square, Belfast, 1944-50. Retired, 1950. Address: 30 Kensington Park, Bangor, Co. Down. (M.q.)
Acknowledgements to lennonwylie.
He retired on 31st May 1950.