1881 Born ?. He has Lincolnshire in 1911 census but that is not correct, unless his name has changed. I suspect he was born in Lancs, signed up in Koyli in 1898, and got thrown out for misconduct in 1905. If that is him, it may explain why he has born Lincolnshire on his army record with RHA.
1911 census at Agra India with 4th Battery Royal Field Artillery, single, sergeant, born Grimsby. The only McEwen in the census is Rose, married , aged 28 living at 39 Peaksfield Avenue, Grimsby
1914 Oct 24. Gazetted DCM
1915 Jan 30. Commissioned. Royal Horse and Royal Field Artillery. Battery .Serjeant-Major George McEwen.
1916 Aug 8. Promoted Lt.
1919 Nov 6. The undermentioned Lts. relinquish the temp, rank of Capt. : — . G. McEwen, D.C.M.
1920 Mar 13. The undermentioned Lts. retire on ret. pay:— G. McEwen, D.C.M., and is granted the rank of Capt.
1920 Dec 29. Joined ADRIC with service no 1359. Posted to A Coy
1921 Mar 1. Promoted Section Leader and CQM
1921 Oct 15 Posted to Q Coy. And reverts to T/Cadet. Relinquishes CQM position
1922 Jan 14. Discharged on demobilisation of ADRIC
1931 Nov 18. The undermentioned having attained the age limit of liability to recall, cease to belong to the Res. of Off. :— Capt. G. McEwen, D.C.M. 18th Nov. 1931
1939 Feb 10. Died age 55. WO338 suggests he added perhaps Henry to his name