Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LANGE
As described in historical dictionaries
Patronymica Britannica (1860)
LANG. LANGE. A-Sax and O. Eng Long, tall. Also local. De Lang. H.E.
Region of origin: Europe
Country of origin: Germany
Language of origin: German