Hmmm. Well Tom, I’ve had a quick look at the info I’ve got on Malcolm
The 1841 Census when he is 17, has him on Ayr High Street
The 1851 Census when he is 27, has him on Ayr High Street.
He married at 20, Sarah McNeish in Liverpool.
Then according to what I’ve got, he’s in Chatfield USA, in 1857.
So, yes there are a few years, between the two Census he has been in Liverpool.
Lol I’m only repeating what you’ve said!! I didn’t know about a Don McLarty. But ai do agree with your thoughts that something took him down there!
I’ll have a look around and get back to you xx