I have my doubts that I have the right chap. The date in 1921 of his resignation from ADRIC does point to him, but he is a Capt. but difficult to know if he would have joined ADRIC as Lt or Capt.
1880 Dec 11. Born Beddington, Surrey (He gives 1882 on Canadian enlistment, and ADRIC register but the BMD register shows 1880)
1881 census at 1, Hinton Road, Beddington
1891 census at 168, Selhurst Road, Croydon
1898 Nov 2. Attests to 2nd Dragoon Guards. Gives 1880 date of birth. Signs up for 7 years in Colours
1899 Jan 5. Purchased his discharge for £10. His father paid the £10.
1907 Jan/Jun Married in Hampstead, London to Isabel Mary Falconer . They must have left for Canada fairly soon after this, as a later document says he has been in Canada since 1907
1909 Oct 15. Arrives in Canada with his wife . He says he spent 5 months in Canada in 1907.
1910 Jun 29. Cross US / Canada border
1915 Mar 22. Enlisted Canadian Exp For. Next of kin wife Isabel Mary Hart, at Whitchurch, Hereford, England. He is a botanist, and has served in Imperial Yeomanry in the past for 7 years as a Sgt.
1916 Jan 9. Lands in France
1917 Dec 1. Labour Corps. 2nd Lt. (temp. Lt.) E. W. Hart (R.H.A. & R.F.A., T.F.) is apptd. to the Corps, to be temp. Lt. (with seniority 29 July 1916), and to be actg. Capt. while comdg. a Co.
1919 Oct 112. Lt. E. W. Hart (R.F.A. Spec Res.) relinquishes the actg. rank of Capt. on ceasing to: be empl'd. with the Corps.
1920 Nov 25. The undermentioned to be Capts., and to retain their Staff and graded appts. where specified:
1921 Jan 29. Joined ADRIC with service no 1611. Posted to Depot Coy. Accepted in Ireland
1921 Feb 2. Promoted Section Leader O Coy I/C Transport
1921 Mar 30. Promoted DI3
1921 Apr 25. Posted to Depot Coy. Reverts to T/Cadet
1921 May 2. Resigned accepted
1921 Jun 14. Army Education Corps. The commns. of the undermentioned are antedated to 15th June 1920- for purposes of seniority only: E W Hart
1933 Sep 2. Returns to Canada from UK. Lives in Ottawa.
1947 Jan 14. Arrives in UK from Canada. With wife Isabel Mary, retired. . UK address Chichester Rd, Sandgate, Folkestone, Kent. They live in Canada.