1892 Dec 15 Born Chorlton cum Hardy, Lancashire (His ADRIC entry says 1896, but death and army say 1892)
1901 census at Chorlton cum Hardy St Clement, Lancs
1911 census at 59 Henshaw Street Stretford Lancs
1914 Sep 21. Enlisted in RMLI.
1915 Feb 6 Landed Gallipoli. Wounded at 'Y' Beach 25-26/4/15.
1915 Jun 22 Report of his wounding
RM Submarine Miner. Discharged to Army Royal Engineers IWT & DOCKS. ex-PLY/300/S, Plymouth Battalion, The unit was affiliated to the Chatham Division, R.M.L.I, and given Chatham register numbers, but departing from the usual custom of the Corps, the Headquarters of the unit was stationed at Newcastle-on-Tyne, with its own staff and pay office where the recruits were approved and trained and other administration except clothing carried out. Men who had been wounded fighting were drafted into the unit.
1918 May 1 . Commissioned 2nd Lt in South Lancs Regt
1919 Mar 12. MC gazetted. T./2nd Lt. James Cairns Jeffrey, S. Lan. R., attd. 29th Bn., Durh. L.I.. He was commanding a company during operations at Comines, on 14th October, 1918. He showed great energy in pushing forward patrols to cross the River Lys, and great courage in the organisation and execution of the operations. Under heavy machine-gun and shell fire the patrols were unsuccessful, and he then personally conducted the operations which eventually led to the crossing of the river
1920 May 21. Durh. L.I. Temp. Capt. J. C. Jeffrey, M.C., relinquishes his commission on completion of service, and retains the rank of Capt.
1920 Nov 10. Joined ADRIC with service no 1023. Posted to Depot Coy. His mother's address on ADRIC roll is same as on MIC
1921 Jan 1. Promoted Section Leader.
1921 Jan 9. Transferred as DI3 to RIC transport division.
Gets an incapacity pension
1922 Jul 1. James Cairns JEFFREY, MC., is granted a short service commission as a Flying Officer for three years on the active list, with effect from, and with seniority of, 1st July 1922.
1930 Apr 16. Flying Officer James Cairns JEFFREY, M.C., is re-employed with the Regular Air Force for a further year.
1933 Mar 13. Flying Officer James Cairns JEFFREY, M.C., relinquishes his commission on appointment to a commission in the R.A.R.O. and is permitted to retain his rank.
1939 Register.Living at 1 Reade Avenue , Urmston with wife Hilda. His dob is given as 15 Dec 1894. He is an Army Captain
1970 Mar. Died Salford Lancs. Aged 77