William Tasker died after a long and painful illness at Iddesleigh rectory on 4 February 1800.[2] At the time of his death he was working on a history of physiognomy from Aristotle to Lavater.[5] He was buried near the chancel of the Church of St James, Iddesleigh. Atablet was erected on the north wall of the church tower. His widow, Eleonora, died at Exbourne on 2 January 1801, aged 56, and was buried in the same grave with her husband.