 The new British regime began a program of sealing open wells, improving drainage and distributing quinine across Palestine.In the 1922 census of Palestine conducted by the British Mandate authorities, Bayt Jibrin had a population of 1,420, all Muslim,
increasing the 1931 census to 1,804, still all Muslim, in a total of 369 houses.On 10 January 1938, during the Arab National revolt of 1936-1939 J. L. Starkey, a well-known archaeologist, was killed by a group of armed Arabs on the track leading from Bayt Jibrin to Hebron.