Hi usacheshire and wozzle,
Well, that would seem cast some doubt unless we can pinpoint both marriages - this is the 1841 for the Blackshaw/Pimlott family:
HO107 94/2/9 Page 12 at Mobberley
William BLACKSHAW, 56, Bricklayer, Y
Betty BLACKSHAW, 60, Y
Betty BLACKSHAW, 20, Cotton Weaver, Y
Mary PIMLOTT, 28, Cotton Weaver, Y
Jane PIMLOTT, 6, Y
Thomas PIMLOTT, 4, Y
Betty PIMLOTT, 3, Y
Samuel PIMLOTT, 1, Y