You will notice in 1851 with Ann AISTROPE, James and Emilia PEARSON ...
James PEARSON m Emelia WALLIS 17 May 1824 at Louth - note Emilia born at North Thoresby.

Amelia WALLIS bap 21 June 1803, dau of Humphrey and Elizabeth.

Humphrey WALLIS m Elizabeth AYSTROPE 16 May 1801 at North Thoresby.
Now, given that Humphrey AYSTROPE 1797 was bap with middle name WALLIS, I think we may have answered you original question dontcha think?
