Jonathan and Amelia can be seen at Irchester in 1871 at the household of Frederic MANNING 
GBC/1871/1499/0201
Frederic Manning        26     Irchester   (shoemaker)
Jane Manning               26     Farndish, Bedfordshire
Jonathan Laughton   Brother-in-law   23    Farndish, Bedfordshire   (shoemaker)
Amelia Laughton       Sister-in-law       21    Irchester, Northamptonshire
Arthur Laughton  "Grand Son In Law"    1     Irchester
(I wonder if this is is mis-transcription of Albert?)