Appointed a Commander of the British Empire (Commander of the Order of the British Empire) in 1979, he was knighted in 1986. Announced in the 1996 New Year Honours, he was created life peer as Baron Kilpatrick of Kincraig, of Dysart in the district of Kirkcaldy on 16 February 1996. Having suffered from tuberculosis when he was younger and been one of the first patients to be treated with the antibiotic streptomycin, Kilpatrick was a patron of the charity Tuberculosis Alert.
He died in 2015 at the age of 89.
He is buried in Dean Cemetery immediately to the south-west of the main entrance. He served as lecturer and dean at Sheffield, Leicester, Dundee and Edinburgh Universities.
Honorary DUniv Edinburgh, 1987
Honorary Doctor of Laws University of Dundee, 1992
Honorary Doctor of Science University of Hull, 1994
Honorary Doctor of Science University of Leicester, 1994
Honorary Doctor of Laws University of Sheffield, 1995
Honorary FRCPath, 1994
Honorary Fellowship of the Royal College of Surgeons, 1995
Honorary Fellow of the Royal College of Physicians (Dublin), 1995
Honorary FRCSEd, 1996
Fellow of the Royal College of Physicians of Edinburgh, 1963
Fellow of the Royal College of Physicians, 1975
Fellow of the Royal College of Physicians (Glasgow), 1991