The surname McMillian is a Scottish variant of the name MacMillan, meaning “son of the tonsured one”. It has been recorded in Scotland since the 14th century, with notable bearers including politician and soldier Sir James MacMillan and author Ian MacMillan. The name has also spread to other parts of the world, particularly North America, through immigration. Today, McMillian descendants can be found across the globe, with a rich history and legacy to their name.
