There is not a lot on the record of his army career. His MIC has very little on it
1890 Feb 8. Born Hackney, London
1890 Sep 14 Baptised son of William Henry & Eliza Green. His father is a Drapers Assistant. of St Mary's, Stoke Newington, Great Eversden, Cambridgeshire
1891 census living at 7, Hawkesley Road, Stoke Newington
1901 census living at Colenso, Bournemouth
1911 census living in 18 Somers Road Southsea, he is a Boarder, Bankers Clerk and Single
1915 Apr/Jun Married Portsmouth to Pauline Grant Page
1917 Aug 29 . The undermentioned, from Officer Cadet Units, to be 2nd Lts.: Linc. R.—Montague Henry William Green.
1918 Dec 7. The undermentioned to be temp. Capts. Whilst empld as Education Officers — 2nd Lt M. H. W. Green, 3rd Linc. R., Spec Res
1919 Feb 1. The undermentioned 2nd Lts. to be Lts.: Linc. Regt . M. H. W. Green
1920 Nov 15 Died having been kidnapped at Waterfall . There is some evidence that Green was mistaken gor Lt G E Green who was certainly an Intelligence officer in Cork
1921 Nov 29. The British finally get proof that they have been killed
1922 Jan 13. Probate to his widow. CWGC records he as being from Fishbourne, Sussex