try reading a bit on Manxnotebook - will help clear up some points and avoid many newbie questions
Clucas is a common family name (especially south of Island)
why incorrect Thomas of Malew ?- that is what is entered as a note in Santan marr register for Kewin-Fargher marriage
St Marks is a chaplaincy but with burial yard Stm = St Marks 17770709 = 9th day 7th month of 1777 (ISO standard format)
will summaries on Manxnotebook - rest borrowable Mormon films