He is entered as "Sydney Thorp" but could probably be either Sydney or Sidney and either Thorp
1894 May 29 born London
1920 Aug 20 Joined with RIC no 72563 & ADRIC no (577 ). ex-Soldier & Motor Driver
1921 Mar 31 Posted to N Coy
1922 Aug 2 Disbanded Gormanston
This fellow was the closest I could get, he being born 4 Feb 1894 in Croydon
His service record indicates though that he was born May