I put something together on the Braddan/santan Leece families at www.manxnotebook.com/famhist/families/leece.htm but never really made headway with the others - appeared to be many gaps in the registers (possibly Lace/Leece confused ?) - would be interested in the German/Peel Leeces (many wills etc on my site + interesting 1645 presentment against Margarget Calcott for calling John Leece son of a wh*re