Yes I had a look at 2nd edition (think my later ed is in Peel) but it didnt (she says from memory) mention the much reduced reporting that was obvious in Michael - there is actually no gap as such but unless all parishioners in Michael were celibate there is no explanation for the reduced numbers - have a look at http://www.isle-of-man.com/manxnotebook/history/demog/ml.htm