My Great Grandmother was Rose Boyd McKay II. She maried my Great Grandfather Rufus Angus Edmonds.Rose Boyd McKay IIs parents wer Edward Mckay III and Ann Kenedy. His parents wer Edward Mckay II and Rose McDermik. His parents were Edward McKay and Lady Rose Boyd of Scotland.
I live in Livonia, Mi. The McKay family cemetary is located in Elkton, Mi. {in the thumb}. You may know this. I would be interested in your reply is this the same Edward McKay you were asking about?
Family stories have Edward McKay a coachman eloping with Lady Rose Boyd of an Isle of Bomare Scotland.