Name Usage - Genealogy links
Interesting suggestions http://www.namesdir.com/
The Origins and Meaning of Names
advertising is the purpose but enables search across a range of sites that you may want to know about
Free Databases http://www.freesurnamesearch.com/
The Guild of One-Name Studies http://www.one-name.org/
This one is interesting and may have some spellings you had not thought of http://www.namesdir.com/
spread in England now http://www.taliesin-arlein.net/names/search.php
http://homepages.newnet.co.uk/dance/webpjd which amongst other things has the Guppy 1890 survey
in the form of a downloadable table which allocates surnames to their major counties of distribution.
new in 2006 - compares surnames 1998 to 1881 via maps
2008 Site still there with new projects on the go.
The surname maps are at National Trust Names - http://www.nationaltrustnames.org.uk/
Modern British Surnames http://homepages.newnet.co.uk/dance/webpjd