Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
HENN
As described in historical dictionaries
Patronymica Britannica (1860)
HENN. The L-ish family derive from an English one written Henne, but anciently Hene, and the name seems to have been originally derived from Hene now Heene, a hamlet or extinct parish, near Worthing, co. Sussex. A William de Hene is mentioned in Domesd., as holding of William de Braose in the immediate vicinity. There are Le Hens and Fil' Hens in H.R.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English