MacDonald is a common surname of Scottish origin, derived from the Gaelic name Mac Dhomhnaill, which means "son of Donald." It is one of the most prevalent surnames in Scotland and has historical significance, often associated with the MacDonald clan, a prominent family in Scottish history known for their influence in the Highlands. In addition to being a surname, MacDonald is also associated with various businesses and institutions, including the popular fast-food chain McDonald's. Founded in 1940 by Richard and Maurice McDonald, this restaurant has become a global symbol of fast food, serving millions of customers daily with its signature burgers and fries.