Celtic Surname Maps - Surname Distribution Maps for Britain and the Isle of Man, provided by Barry Griffin.PublicProfiler - "The world family name mapping website uses many new and up to date sources to tell you where in the world people with your family name are found. Additionally, we provide lots of interesting facts and figures about the people who share your family name".
The Original Record.com provides free surname searches of "1,000 years of unusual records that have not been accessible before", and the ability to purchase scans taken the original documents.
The Oxford Dictionary of Family Names in Britain and Ireland - press release.
Who Was Who (the compilation of entries in Who's Who of people alive after 1897) is available by online subscription access (possibly free via your local library) and hard copy.