@Jenny - at the most obvious fit on the preceding census he was living with James. He is listed as a sub post master rather than a retired shoemaker, but in the census before he is both so it all looks good.
Sorry about the polluted tree in ancestry, I do mark it WIP and where I am guessing I change the picture to a question mark. It is a shame Ancestry has pretty poor handling of privacy, it would be nice to hide copyright docs you own and have scanned in, or to mark whole branches private, but it is not to be.
The snapshot publically shared lags a bit, I returned the tree to as shown in the death cert and am working on the Amos's in other trees.
In one I have tried getting all the [sourced] Amos's in Roxburgh in that timespan together combining ScotlandsPeople and Ancestry, that is not looking good.
In another I am looking at putting the pedigree from Rulewaters people into a tree, that is not looking good either.
My next gambit was to see how many Walter Amos had died in the area, if it is just a few I may get the death certs and see who was a shoemaker, maybe he made it to registration.
(ps Yes - I have FTM so know I can do the private pic settings there, it is so good they are hidden from me online once it is clicked!)