His son William (d. 30 Nov. 1859, aged 80) was minister at Blackley, Lancashire (1803–54); another son, John, (1786–1853), was a Manchester merchant and father of John Harrison, Ph.D. (d. 1866), minister at Chowbent, Lancashire (1838–47), Brixton, Surrey (1847–61), and Ipswich (1861–3).