1876. Born Paddington, Sydney, Australia. Son of Andrew Drysdale. Mother's name: Florence C
1891 census at Elline Alla, Rowantree Road, Enfield
1895 Goes to Cambridge University. Adm. at TRINITY HALL, 1895. S. of Andrew, Esq., of Sydney, Australia. School, University College, London. Matric. Michs. 1895; B.A. 1898.
1898 Dec 17. Times reports him getting BA at Cambridge.
1901 census at Elimatta, Twickenham Park, Twickenham
1911 census at : Destercombe 18 Brackley Road Beckenham Kent
1915 Apr 22. The undermentioned to be temp. Second Lieutenants: Sydney Alfred Drysdale
1915 Aug 16. Lands in France.
1916 Apr 29. The undermentioned temp. 2nd Lts. to be transferred to the Gen. List for duty with Trench Mortar Batts. Dorset Reg - S A Drysdale
1917 Jul 1. The undermentioned temp. 2nd Lts. to be temp. Lts. : — S. A. Drysdale.
1919 Mar 20. General List. The undermentioned relinquish their commns. on completion of service Temp. Lts. — And retain the rank of Lt. : — S. A. Drysdale.
1921 Jan 12. Joined ADRIC with service no 1507. Posted to N Coy
1921 Feb 15. "Services dispensed with - unsuitable " Trim Looting
1921 Feb 16 Taken back on with service no 1734. Posted to I Coy
1921 Feb 22. Posted to O Coy
1921 Mar 5. Posted to P Coy
1921 Jun 4. Removed from suspension without prejudice. Found Not Guilty of Trim Looting at Court Martial
1921 Jun 14 Posted to R Coy
1922 Jan 16. Discharged on demobilisation of ADRIC
1923 Dec 18. His wife died of heart failure in London
1925 Jan/Mar Died Bromley Kent aged 48.