Teri, Have you checked this out: www.pagenweb.org/map/index.html? It contains maps of Pennsylvania county formation over time. It might narrow things down a little. And I believe most of the county sites in the PaGenWeb project have info about their county's formation-- exact dates, from what original county, etc. Stephanie > Don, > > Thanks for the information. I think with the time periods and counties the > way they were, I might have to check in Virginia, Maryland and Delaware as > well. Maybe even New York and New Jersey. > > Thanks again for the help. > > Teri > Teri: > > Forgot to answer your question regarding the Florida research. As I recall he > checked the time period, circa 1825 and the counties in existence then. From > there it was a no brainer, Key West was in St. Johns County. > > This is an idea for you, verify the time period and location (best you can.) > Check the counties in existence, then sign on to the rootsweb for the parent > county. Make your query there, perhaps somebody will respond with some help > or > at least guidance as to where to look. > > Don >