There are now 10,000 pages of Boyd surname data on the Boyd Family Information Page: http://clanboyd.infohttp://clanboyd.info
To use the Search Engine, type the name you are searching in quotes like this: "George Washington Boyd" and like this "Boyd, George Washington". Many of the names are listed in the latter example. As for common Boyd first names such as John, William, James, etc., it is best to type the name of the wife, if known.
You can also search locations or areas such as "Greenup, Ky" "Lake Michigan" etc.