Sylvia,
I have these folks in my database md in 1792 as you said. Charles was s/o Daniel Caine & Jane Kaighin of Ballanae, Michael.
!DEATH: 1 Oct 1829 Kirk Michael Monumental Inscription OLD YARD BOOK
page 23 Row F #4:
To the memory of Charles Cain who departed this life
October 1st 1829 aged 66 years.
Also Isabella Cain alias Cavendish who
departed this life November 3rd 1848 aged 83 years.
Donna