The name “McDonald” is of Scottish and Irish origin, derived from the Gaelic name “Mac Dhomhna,” which means “son of the world” or “son of the ruler.” The “Mac” prefix indicates “son of,” and “Dhomhna” is a form of the name “Domhnall,” meaning “world ruler” or “ruler of the world.”
The surname McDonald is often associated with the clan culture of Scotland, particularly with the Clan Donald, one of the largest Scottish clans, which historically held significant power in the Highlands. The name has also spread beyond Scotland and Ireland, particularly due to emigration, and is now found in various forms around the world.
In contemporary contexts, the name McDonald is widely recognized due to the global fast-food chain McDonald’s, which was founded in the United States in the 20th century. However, the origins of the name itself are steeped in Scottish and Irish heritage.