your dates look wrong (esp emig) as Wm only m 1885 - try www.imuseum.im
there would appear to be 2 bro's marrying 2 watterson sisters - Wm is I think s/o Thomas who I suspect is s/o of Pat McGeen (+ various renditions) + Ann Cubbon mar Malew 18110119 - 3 ch I know of in Arbory - in 1841 Ann was at Ballevear in Rushen - Pat appears to be bur Arbory Arb 18280806

Thomas marries Irish born Isaballla Wallace Malew 18490208 - living in Malew at Horse garey in 1851 with mo-in-law Jane Wallace + bro-in-law Wm Wallace (ex soldier)

lost fam in 1861 but Jane is living alone as huxter (pedlar, hawker) in Bridge St Ballasalla in 1861 - she is bur Malew 18750713 age 88