A major problem for users of genealogical databases is that of variant spellings of surnames. The Thesaurus of British Surnames (ToBS) is an on-going project to develop and manage an online thesaurus of British surname variants. The intent is that the thesaurus should become a public resource, able to be searched independently and also to be incorporated directly into search engines.
The Project has a discussion list, which is open to all those interested in contributing to the project. You can join from: