I have Isabella's burial as 3 Jun 1837 Michael.
This is also in her court administration paper,--please read what is in the ( )
"At a Chapter Court, holden at Kirk Michael 10th June 1837
Isabella Cain of the parish of Kirk Michael having departed this life on or
about the Thirteenth day of July last(3 Jun 1837) intestate"

BOTH OF THESE ARE 1837!

I don't know anything about the newspaper article

Isabella's husband was John b 1771 fa John Caine, mo Cath Gell
Isabella was also a Caine, b 1770 fa John Caine, mo Alice Cannell.