In the early days, Williams was Quilliam. I didn't see any Isaacs in IGI for any period but perhaps some one else has heard of him.
Quilliam/Williams seems a good old Manx surname.
Manx Genealogy Archive 1 is maintained by isleofman.com
Powered by Tetra-WebBBS 6.11 / TetraBB PRO 0.22 © 2006-2010 tetrabb.com
1 wallclock secs ( 0.07 usr + 0.01 sys = 0.08 CPU)