Anne Jane Callow age 23 buried Jurby 5 June 1871
Anne Jane Kaighin chr. 21 april 1848 Jurby parents John Kaighin and Margaret Christian (extracted IGI)

Anne Jane Kaighin also had a brother Richard chr. 1850 Jurby

You would need to purchase a death certificate
or look it up yourself at the Registry Office in Douglas (cheaper) to determine the cause of a death.