Yes, I see that in the census. However, she could have been a widow for months or years.
Have you found his death entry in those indexes? Or any other mention of his death?
How do you know who you are looking for as you have no evidence of Jane’s husband’s name.
I am beginning to sound like you now - constantly repeating the same information.
Do you not see that you are offering nothing to this query?
You need to be sure of at least something. He might well be John but unless you have a birth record of a child, you will never know.
You have not, as far as I can see, provided information that Thomas who went to Australia is the same Thomas who is the son of Jane.
As I wrote earlier, I think you may have, sadly, come to the end of your research here unless you proactively try to get some evidence based records,
