Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
YOUNG
As described in historical dictionaries
Patronymica Britannica (1860)
YOUNG. This very well-known surname appears to be of common origin with the classical Neander, Juvenal, &c., and to refer to the youth of the first bearer, at the time Avhen it was adopted or imposed. The H.R. forms are Juvenis and Le Juvene, and Le Jeune was one of the most common of Fr. family names. Verstegan says : " YONG, of his fewness of years." H.R. Le Yonge, Le Yuuge.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English