 Knibb was personally associated with the founding of 35 churches, 24 missions, and 16 schools.Knibb died of fever in Jamaica on 15 November 1845, aged 42, and was buried at his Baptist Falmouth Chapel, the service attracting eight thousand African islanders.His funeral sermon by pastor Samuel Oughton was taken from Zechariah, xi, 2 "Howl, fir tree, for the mighty cedar is fallen".