I am trying to find info and the Kneen family below. I am hoping to visit the Isle of man in the Summer, so any advice on how to start my search would be very welcome.
Thank you.

John Kneen
Birth: bef 1814, Ramsey, Isle of Man
Death: 1871- 1881
Occ: Mariner/Seaman
Jane Kennion
Birth: 30 Oct 1813, Ramsey, Isle of Man
Children: Ann Jane 1839, Ramsey, Isle Of Man m. Alexander Dill
John William (1842-), James (1844-), Ellen/Eleanor (1846-)

1841: College St, Ramsey, district 2, page 5
1851: Church St, Ramsey, district 2, schedule 20

By 1861 the family had moved to Toxteth, Liverpool