- Original source material relating to Forthampton, and other parishes in Diocese of Gloucester may be found at the Gloucestershire Archives.
- Transcription of the Census for Forthampton in 1841 and 1871; by Kari Svedin Kruger and Debra J. Svedin.
- Transcription of the Census for Forthampton in 1891; transcribed as part of a Boy Scouts of America service project. Courtesy Joseph Svedin.
- The transcription of the section for Forthampton from the National Gazetteer (1868) provided by Colin Hinson.