Personal Number: 73086 Rank: Captain Name: Michael George HARTIGAN, MiD Unit: 3rd King's Own Hussars London Gazette : 27 August 1937 https://www.thegazette.co.uk/London/issue/34430/page/5443/data.pdf The undermentioned Gentlemen Cadets, from, the Royal Military College, to be 2nd Lts. 26th Aug.. 1937: — CAVALRY. 3rd H — Michael George HARTIGAN. London Gazette : 27 August 1940 https://www.thegazette.co.uk/London/issue/34931/supplement/5203/data.pdf ROYAL ARMOURED CORPS. The undermentioned 2nd Lts. to be Lts. 26th Aug. 1940:— 3rd H. M. G. Hartigan (73086). London Gazette : 8 July 1941 https://www.thegazette.co.uk/London/issue/35209/supplement/3885/data.pdf The KING has been graciously pleased to approve that the following be Mentioned for distinguished services in the Middle East during the period December, 1940, to February, 1941: — ROYAL ARMOURED CORPS. Hussars.. Hartigan, Lt. M. G. (73086) (since deceased).
London Gazette : 8 July 1941 https://www.thegazette.co.uk/London/issue/35209/supplement/3885/data.pdf
https://www.cwgc.org/find-records/find-war-dead/casualty-details/2116269/michael-george-hartigan/ CAPTAIN MICHAEL GEORGE HARTIGAN Service Number: 73086 Regiment & Unit: "A" Sqn. 3rd King's Own Hussars, Royal Armoured Corps Date of Death: 11 December 1940 Age 22 years old Buried or commemorated at HALFAYA SOLLUM WAR CEMETERY Grave Reference: 23. D. 1. Location: Egypt Additional Info: Son of Capt. Martin George Hartigan, M.C., General List, died on service 18th September, 1942, and of Norah Valerie Hartigan, of Ogbourne Maisey, Marlborough, Wiltshire. Personal Inscription: AT THE GOING DOWN OF THE SUN AND IN THE MORNING WE WILL REMEMBER THEM R.I.P.
See also: GHI Database His father: 125263 Captain Martin George HARTIGAN, MC, General List: 18/09/1942