Seed of Isaac has the whole Kissack lineage if this is the right line. Let me know if you need it.
Evan's parents are listed as Robert Kennish and Jane Cannell. However, all the other kids are by Jane Callow so must be an error?
1841 Census Index
Maughold 2 16 86
Robert 45
Ewan 15
James 13
Jane 45
Jane 5
John 10
Mary 8