Thos cowley was most likely s/o Pat Cowley + Ann Colvin bapt Braddan 18040506
(Colvin is strongly linked with German/Peel)

Isabella most likely illeg c/o Thos Cowle + margt clague (bapt Onchan 1804-07-22 - rember Manx used fa's name whereas IGI filed under mother's name

they are farming in Lonan in 1851 at Ballacojean (80ac - a fair sized manx farm - possibly he inherited it)