This is a very interesting thread. I have a few, some because the image is difficult to read
Like in 1841 in St Austell Cornwall, James SNELL, is James SMITH, Phillipa SNELL and some of the children are MELL. But at the Cornwall Online Census, Phillipa SNELL is called Phillipa BELL. Or in the 1861 Census, Holman for Allmon.
But perhaps the
best one I have come across at Ancestry.. you would NOT want to live here!
BUTTOMPTON for Cullompton Devon

That is just so funny it is laughable.
Jenny from Oz