there are just over 2000 m/cs I know of from 1640 or so (Lib Canc etc) thru to 1840 (deeds + wills) - I have photos of 1900 or so, and have summarised about 1500.
There are some 23,000 + deeds (inc the m/cs) - I have photos of just over 8000(inc m/cs) and summarised about 3000 + the m/cs mentioned earlier
There are another 20,000 or so mortgages + about 10,000 Castletown deeds (post 1800)
prior to change in 1847 - wch later deeds are on www.imuseum.im
Thus not clear when 'all done' if ever !