London Gazette : 4 April 1946 https://www.thegazette.co.uk/London/issue/37521/supplement/1672/data.pdf https://www.thegazette.co.uk/London/issue/37521/supplement/1691/data.pdf
Personal Number: 93547 Rank: Major Name: Ronald David STEWART-BROWN, MiD Unit: Welsh Guards London Gazette : 27 June 1939 https://www.thegazette.co.uk/London/issue/34640/page/4353/data.pdf The undermentioned to be 2nd Lts. 28th June 1939: — FOOT GUARDS W . G'ds.— Ronald David STEWART-BROWN (late Cadet Under-Off., Harrow Sch. Contgt., O.T.C.). London Gazette : 4 April 1946 https://www.thegazette.co.uk/London/issue/37521/supplement/1691/data.pdf The KING has been graciously pleased to approve that the following be Mentioned in recognition of gallant and distinguished services in North-West Europe:— W. G'ds. Maj. (temp.) R. D. STEWART-BROWN (93547). London Gazette : 1 February 1952 https://www.thegazette.co.uk/London/issue/39452/supplement/629/data.pdf W.G. Lt. (War Subs. Capt.) (Hon. Maj.) R. D. STEWART- BROWN (93547) to be Capt. (Hon. Maj.), 1st Nov. 1947. London Gazette : 20 March 1962 https://www.thegazette.co.uk/London/issue/42625/supplement/2318/data.pdf FOOT GUARDS W.G. REGULAR ARMY RESERVE OF OFFICERS Capt. (Hon. Maj.) R. D. STEWART-BROWN (93547) having exceeded the age limit, relinquishes his commn., 21st Mar. 1962, retaining the hon. rank of Maj.