Donald McKay (footballer)

Donald McKay (born in Scotland, date of birth unknown, died date unknown) was a Scottish professional footballer who played primarily as a full-back.

McKay's career details are somewhat limited due to incomplete historical records. He is known to have played for Heart of Midlothian F.C. ("Hearts") in the Scottish Football League during the late 19th or early 20th century. Information on his exact playing years, appearances, and goals are not comprehensively documented. Further research would be needed to provide a more complete account of his footballing career.