re the Quiggins - they were of shylchaig - John Quiggin + Ellinor McBooy had a large family (not all in reg as there are gaps in the reg) but eldest son Wm inherited - Wm married twice 1st to a widow Margt Cannell als Moore (originally from Moores of Santan) who had 2 ch from 1 st marr Margt Cannell + Wm Cannell ;
a son robt who mar Margt Quayle,
Patk who married Margt Caine d/o Hugh (there is a m/c)
John who marr Margt Cain d/o of Alice,
Thomas who died bach abroad + Philip (think he also never married) + possibly a dau.
you can piece a far amount from wills + I think you have the deeds + marriage contracts on the CD

I have no idea what is in the Corlette tree - the original poster seems to be a gallery owner in Brisbane and should be findable via google