1878 Feb 26. Born in Bothwell, Lanarkshire, Scotland. His father was William Robertson, a civil engineer.
1891 census at Clairmont Gardens, Barony, Lanarkshire
Member of University of Glasgow OTC
1913 May/Jun Married to Ruby E Chammings in London
Theatre of War Chattiaw (I have been unable to identify this)
1915 Nov 26. The undermentioned to be temporary Second Lts. Robert Inglis Robertson.
1918 May 15. Royal Engineers. Temp. 2nd Lt. R. I. Robertson relinquishes his commn. on account of ill-health contracted on active service, and is granted the hon. rank of 2nd Lt.
1920 Jul 27 Joined ADRIC with service no 4. Posted to J Coy
1921 May 2. Permitted to resign from ADRIC by Assist. Commandant
1926 Jan 17 Died on the street in Glasgow, probably of Cardiac Failure
1926 Apr 1. Probate to his widow