What about the Thomas Kenyon and his wife Jane nee Cooper who took in all of James and Lettice Fish' children, he was a bricklayer also, but quite a responsibility to take in all three children, related in anyway?
1851 census Blackburn, Richard Fish 9, Ann Fish 5, Letitia Fish 2.
In 1861 even though Thomas has died and Jane is living with her married daughter Ann Hilton, Lettice Fish is still living with them described as an orphan.