FRANCIS MACKAY 1700-1770 and sons Samuel,Francis and Stephen I have a lot of information about francis mackay and descendant Quebec but yo will find a majority about in National Archives of Quebec Famille Mackay Papineau et Boucher Number 1000 S3 D2505 These documents are scanned archives of letters and genealogy write by John Mackay, Samuel Mackay and Brother Francis, Samuel Michel Mackay son of Samuel Baron and Louise Chartier de Lotbiniere who related the escape of Louise and have a son who also very celebre Gordon Mckay 1821 Pittsfield the men of shoes and boots. I have personnaly transcript a lot of information on my logiciel. The chidren of my husband are also descandant of Samuel by their mother Helene Mackay. I have a part of your family included celebre George Frederick compositeur. Excuse my english, I am not bilingual...It will be a pleasure to help you in your search.