In addition to numerous local and family history societies which operate at parish or regional level, there a a number of societies operating at county level. Those concerned with Cornwall are:
- The Cornwall Family History Society is the Society helping those researching their ancestry in the county. Members receive a quarterly magazine, and help and advice is available in obtaining information. There is a programme of talks and visits locally. The Society has its own premises in Truro with a Library containing a range of finding aids. The Members Area of the Society's website contains a database of over 5 million records available. These include: baptisms, marriages and burials; monumental inscriptions (including an increasing collection of gravestones, probate records, cemetery burial books, and other miscellaneous records).
- The London Cornish Association, is a non-political, non-sectarian, cultural and social organisation which promotes and fosters fellowship and goodwill among Cornish people in London and elsewhere by stimulating interest in the history, antiquities, traditions, cultural and social life of Cornwall and the Cornish people. As part of this, it publishes a quarterly newsletter, and promotes Family History research.
- Cornish Forefathers Society. The Cornish Forefathers Society is a Family History Research Society, established in 1994, to help anyone with Cornish Ancestry trace their heritage.
- Kernow Goth (Federation of Old Cornwall Societies) is open to all who are interested in Cornwall; you do not have to be Cornish to be a member. All differences, whether political, religious or social, are left outside. All are welcome. Members bring their own personal contributions, so recalling something read, remembered, heard or found; so helping to revive old customs, or learning the Cornish language.
- Devon & Cornwall Record Society. The Society was founded in 1904 to publish local records and to promote local historical studies and genealogical research. Publications cover many aspects of the West Country's political, social, religious, economic and maritime history. Subscribers receive a free copy of each volume.