Wilfred was educated in Kensington and at Edinburgh University, qualifying M.B. in 1887.
He joined the Army Medical Services at the rank of Captain on 29th July 1890, and served in China, India, Bermuda, South Africa and Canada. He was in Hong King at the outbreak of the bubonic plague in 1894, and when Plague appeared in Bombay he was employed on special service with the Plague Commission in 1897. During the South African War 1900 to 1902 he took part in the operations in Natal - March to June 1900; served during operations in the Transvaal - July to 29th November 1900; and again in the Transvaal and Orange River Colony - 30th November 1900 to 31st May 1902. For his service there he was mentioned in despatches [L.G. 29/07/1902] and awarded the Distinguished Service Order [L.G. 31/10/1902] “In recognition of services during the operations in South Africa”. He also received the Queen’s South African Medal with 3 clasps, and the King’s South African Medal with 2 clasps. On 29th July 1902 he gained promotion to the rank of Major. He took a Diploma in Public Health in 1904, and was promoted again on 18th September 1912 to the rank of Lieutenant Colonel. From 1st November 1912 until 4th Aug 1914, when war broke out, he was Professor of Hygiene at the Royal Army Medical College. When war did break out he was mobilized as the Assistant Director of Medical Services (A.D.M.S.) for Sanitation. He embarked at Southampton, then disembarking at Havre the following day, entered the war in France on 9th August 1914. His headquarters was set up in the office of the Director of Medical Services on the lines of communication but he was regarded as being attached to the Director General of Medical Services staff. He dealt with all sanitary questions both on the lines of communication and in the Front areas. On 9th March 1915 a subcommittee was formed to study the subjects which should consist in a medical history of the war, and he, along with Col W H Horrocks, was appointed joint secretary for sanitation. Also in 1915, he was appointed a Champion Order of the Bath [C.B. (mil)]. On 26th December 1917 he gained promotion to the rank of Colonel. On 12th December 1918 a conference was held to form another committee for the writing of the medical history. He became a member of the committee for hygiene. Also in 1918 he was appointed Commander Order of the British Empire, and had been awarded the Legion d’Honneur, Croix de Chevalier and the order of St Stanislas. During his career Wilfred had became Master of Surgery; Fellow of the Chemical Society; Fellow of the Royal Sanitary Institute; Fellow of the Royal Entomological Society of London and examiner in Public Health to the Royal College of Physicians and Surgeons, London. He wrote many publications, including journals and books, and was joint author of “A Sanitary Officer’s Handbook on Practical Hygiene”. He was the son of J S Beveridge and Helen Ogilvy; and the husband of Mary, daughter of George Spencer Walker - married in 1889.