Personal Number: 122390 Rank: Major Name: Raymond Windham de la Poer BEREFORD-PEIRSE Unit: Royal Army Ordnance Corps London Gazette : 11 June 1915 https://www.thegazette.co.uk/London/issue/29189/page/5645/data.pdf TERRITORIAL FORCE. ROYAL HORSE ARTILLERY. Inverness-shire; Raymond Windham de la Poer Beresford-Peirse (late Cadet, Eton College Contingent, Junior Division, Officers Training Corps) to be Second Lieutenant. Dated 21st April, 1915 London Gazette : 4 December 1942 https://www.thegazette.co.uk/London/issue/35808/supplement/5261/data.pdf ROYAL ARMY ORDNANCE CORPS. Admin. Branch. The undermentioned, from R.A.S.C., in the rank as stated, 1st Oct. 1942, retaining their present seniority:- War Subs. Capt.: — R. W. De La P. Beresford-Peirse (122390).
See also: Person Page "He fought in the First World War. He gained the rank of Lieutenant in the 2nd Life Guards. He fought in the Second World War. He gained the rank of Major in the R.A.O.C."
His cousins: 49537 Major Sir Henry Campbell de La Poer BERESFORD-PEIRSE, Lovat Scouts 26253 Wing Commander Francis Campbell de la Poer BERESFORD- PEIRSE, Royal Air Force 4085 Lt.-General Sir Noel Monson de la Poer BERESFORD-PEIRSE, KBE, CB, DSO, MiD*, Royal Artillery 122390 Major Raymond Windham de la Poer BERESFORD-PEIRSE, Royal Army Ordnance Corps