There are many fine sources for information about our ancestors. Two of my favorites are:
(1) The GenForum - Clicking here will lead you to the forum for the state of Delaware but you can easily change to another by entering the family name you are researching into the box in the upper right corner.
(2) The Resources - These resources can be a gold mine if you are willing to spend a few moments studying their arrangements. This list is of family surnames, not states.