In the law, Griffith was Recorder of Richmond, Yorkshire, from 1932–1940 and in 1940 he was appointed a County Court Judge in Hull which required him to vacate his Commons seat and create a by-election. At this election the Liberal candidate Harcourt Johnstone was returned unopposed under the wartime electoral truce. From 1947-1956 Griffith was chairman of East Riding Quarter Sessions and he retired as a judge in January 1957. In 1924 he married Eleanor Bruce who was the only daughter of Sir Robert Bruce. and they had one daughter. His wife died in 1954 and Griffith was remarried the following year to Margaret Louch. He died in Scarborough, North Yorkshire on 25 September 1962.