Born at Auckland in 1891 son of Judge C E MacCormick, Chief Justice of the Maori Land Court, he was educated at Auckland Grammar School and Otago University and graduated in 1914. As a Lieutenant in the Medical Corps, he served with the main body of the New Zealand Expeditionary Force in Gallipoli, Egypt, and France, was awarded the DSO in 1917 and was promoted Major. After the war he held posts in London at Charing Cross, St Peter's, the Bolingbroke, and the Cancer Hospital. He returned to practice at Auckland in 1922. For many years he served on the staff of the Auckland Hospital as a general surgeon with a special interest in urology. He retained his connection with the Army Medical Corps and was promoted Colonel. He was appointed Director of Medical Services to the NZEF in the Middle East and later in Greece just after the outbreak of the second world war, and was eventually MacCormick was appointed an honorary surgeon to King George VI in 1940 and created CB in 1943. Returning to his own country, MacCormick served on the rehabilitation committee and the examining board for pensions. He was Auckland President of the NZ Red Cross Society for fifteen years, and became Dominion President in 1961, travelling to Geneva for the international meeting in 1963. He was chairman of the Auckland Division of the BMA and President of the New Zealand Branch, which he represented at the Annual Meeting at Oxford in 1963. Kenneth MacCormick died on 23 January 1964 aged 73, survived by his wife, daughter, and four sons, one of whom is a doctor.