Transferred use of the Scottish surname. The principal family bearing this surname were hereditary Earls Marischal of Scotland from 1455 to 1715. This is one of a number of Scottish aristocratic surnames that have become well established since the 19th century as boys' names throughout the English-speaking world, not just in Scotland. Others include Bruce, Douglas, and Graham.
English, Scottish, and northern Irish: distinguishing name (Middle English yunge, yonge ‘young’), for the younger of two bearers of the same personal name, usually distinguishing a younger brother or a son. In Middle English this name is often found with the Anglo-Norman French definite article, for example Robert le Yunge.