Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SAGE
As described in historical dictionaries
Patronymica Britannica (1860)
SAGE. Probably a translation of Le Sage, still a very common French surname. It has reference to the wisdom and prudence of the original bearer. Wise, as an English surname, is a precise analogue. Le Sage. H.II.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English