1896 Born Rotherham, Yorks
1901 census at 90, Henley Grove Road, Rotherham
1911 census at 87 Lord Street Rotherham
1915 Dec 19 Landed in Egypt.
1918 May 29. The undermentioned cadets to be temp. 2nd Lts. Suff. Regt.—Nelson Holgate Allatt.
1920 Nov 1. Joined ADRIC with service no 921. Posted to I Coy
1921 May 25 Permitted to resign by Assist. Commandant
1921 Sep 1. The undermentioned relinquish their commissions on completion of service:Suffolk R. Temp. 2nd Lts., and retain the rank of 2nd Lt. : N. H. Allatt
1922 May 27. Arrives in Canada from UK. His intention is to settle in Canada.
1924 Aug 27. Marries in Ontario to Jeanne Laflamme
1935 Sep 6 Leaves Canada for UK with son Nelson Benjmin Allatt. His wife Jean stays in Canada
1935 Nov 9. Returns to Canada with his son