Personal Number: 99195 Rank: Major Name: The Honourable Frederick Francis George HENNESSY, MBE Unit: Grenadier Guards London Gazette : 30 September 1939 https://www.thegazette.co.uk/London/issue/34698/supplement/6649/data.pdf The undermentioned to be granted emergency commissions as 2nd Lts.:— FOOT GUARDS. Gren. G'ds. 18th Sept. 1939. Hon. Frederick Francis George HENNESSY (99195) London Gazette : 1 February 1945 https://www.thegazette.co.uk/London/issue/36917/supplement/673/data.pdf The KING ihas been, graciously pleased to give orders for the following promotions in, and appointments to, the Most Excellent Order of the British Empire, in recognition of gallant and distinguished services in North,West Europe:— To be Additional Members of the Military Division of the said Most Excellent Order: — Captain (temporary Major) The Honourable Frederick Francis George Hennessy (99195), Grenadier Guards (Sunningdale). London Gazette : 10 June 1949 https://www.thegazette.co.uk/London/issue/38636/supplement/2878/data.pdf FOOT GUARDS. Gren. G'ds. The undermentioned Lts. (War Subs. Capts.) from Emerg. Commns. to be Capts., 1st Jan. 1949, and are granted the hon. rank of Maj.:— The Hon. F. F. G. HENNESSY, M.B.E. (99195). London Gazette : 23 April 1957 https://www.thegazette.co.uk/London/issue/41051/supplement/2468/data.pdf FOOT GUARDS. Gren. Gds. REGULAR ARMY RESERVE OF OFFICERS. Capt. (Hon. Maj.) The Hon. F. F. G. HENNESSY, M.B.E. (99195) (having exceeded the age limit of liability to recall, relinquishes his commn., 24th Apr. 1957, retaining the hon. rank of Maj.