All the extra info on 1811 Marriage is that they were both of Stoke Parish and witnesses were Thos Sparkes/Saml Allen.
(FreeREG)
I think they are siblings as 1790 Baptism is consistent with her Death Reg age;
COOK, THIRZA , age 58 ****
GRO Reference: 1848 J Quarter in WOLSTANTON AND BURSLEM UNION Volume 17 Page 228
Also William/Thirza name a Son Ralph
On the Marriage of Ralph/Lydia 08 Apr 1776 his occp is a Potter
Trish
