1879 Jun 14 Born Dublin. Son of Gerald R and Kathleen Maude Brooke
1900 Mar 14. 4th Battalion,- the Oxfordshire Light Infantry, Thomas Ralph Brooke, Gent., to be Second Lieutenant.
1901 census at 1st Royal Rifle Reserve Regiment And 4th Oxfordshire Light Infantry Battalions, Portsmouth. He is a Lt.
1911 census at Nordrachm Wales, Pendyffryn Hall ,Penmaenmawr . It is a Sanitorium. He is born Castlehurst, Co Dublin
1916 May 15. Army Service Corps. To be temp 2nd Lt Thomas Ralph Brooke (late Lt., Oxf. and Bucks L.I., T.F.).
1917 Nov 15. Promoted - Lt. T R Brooke
1919 Feb 8. RASC. The undermentioned relinquish their commns. on completion of service: — Temp. Lts., and retain the rank of Lt. : — T. R. Brooke.
1920 Sep 18. Lt T R Brooke, Motor Mechanic joined ADRIC with service no 601. I cannot determine how long he remained in ADRIC - there is one word under his name to explain his disappearance which is "discharged" but no date
Given that there is nothing else on him, my assumption is that he never turned up. (Berehaven?)
1933 Jul 18 Died in Dover