He married Caroline Isabella Straker in 1829 and they had several children. His wife was chair of the chapel organisation, and after a few decades there were 20 Pritchards involved in the chapel. Their son Henry Baden Pritchard (1841–1884) was a chemist, traveller, and photographer. Their son Andrew Goring Pritchard, a solicitor, was a leading light of the Association of Municipal Corporations ; his son, Clive Fleetwood Pritchard, a barrister, became mayor of Hampstead ; his son Jack Pritchard (1899-1992) co-founded the Isokon design company, famous for the Lawn Road Flats.