Geoff:
Unfortunately all they listed was forst and last. Here's 1 of the links, don't know if you want to pay for more info, scroll down to line 28, you'll see Dale to the right as a relative:
http://www.usa-people-search.com/Fin...errill-CA.aspx
Call the library and ask them to pull the yellow pages back from before they moved and see if tere is a middle name there?
Paul