Below are some websites listing abbreviations and acronyms used by family historians.

If you know of any other good non commercial sites please send me a private message with the URL and I will add it to the list.

https://www.familysearch.org/en/wiki...ealogy_Records

https://www.geni.com/projects/Abbrev...-Accepted/3096

https://www.abbreviations.com/acronyms/GENEALOGY

Abbreviation Codes used in 1939 Register

For Latin Abbreviations:

https://www.genuki.org.uk/big/LatinNotes.html

https://www.genproxy.co.uk/latin.htm