- Original source material relating to Clearwell, and other parishes in Diocese of Gloucester may be found at the Gloucestershire Archives.
- The transcription of the section for Clearwell from the National Gazetteer (1868) provided by Colin Hinson.
- "Ecclesiastical parish formed from Newland, 1856."
(Ref: Guide to the Parish Records of the City of Bristol and the County of Gloucester; I. Gray & E. Ralph, 1963)