I guess you've seen Andrew Moore's site?

He has John's father as Samuel but says he's traced the Sollars line back through 1066 to Normandy - it's an interesting read with lots of local info.

His site is at:

http://freespace.virgin.net/andrew.moore2/fh/

and his entry for Joseph Sollars & Charlotte Bayliss is at:

http://freespace.virgin.net/andrew.moore2/fh/pafg17.htm#652

Regards,

Martin