Those Robson burials in Berwick upon Tweed look distinctly possible. Interesting
I don't think it is a spouses name. I believe it is a place-name. It looks like Harden to me.
Jane still alive in Cornhill in the 1851 census.She has a 10 year old James Robson with her.https://www.familysearch.org/ark:/61903/1:1:SG63-22Y