see www.manxnotebook.com/famhist/genealgy/civil.htm
www.manxnotebook.com/famhist/genealgy/church.htm
for background
then look at IGI + find film covering date + parish - these films are of the official 1911 copy (excellent) of the parish regs which is all you will have (ie baptsms) - the Manx Museum is in middle of filming original parish regs - digital images will be available but where, when and what cost are still to be decided