Is there a web page that helps you find spelllings of last names?

Question:

Is there a web page that helps you find spelllings of last names?

Best Answer - Chosen by Asker: http://www.familysearch.com
(Mormon's mega-site)
Go there, enter the most common spelling in the surname box; they default to "sounds like" instead of "exact spelling", and you'll get the usual variations. "Pack", for instance, beings up "Pike" as well.