Have a lot of info on this family. David Madill was born 1808 in Closdaw, Newbliss, Co.Monaghan, Ireland He married Jane Hamill 1833 in Ch.of Ireland, Drum, Co.Monaghan. Jane was born 1810, Tattincake, Drum,Co.Monaghan. David & Jane had 7 children - Marianne, Jane, James, David, Margaret, Priscilla and William Henry (your greatgrandfather). I have all the details of these children and their children. David Madill d Oct 17, 1882 Jane Hamill Madill d Dec 25,1879. They are both buried at Glencairn, Ontario. For the rest of the info (there's lots) contact me.