Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
TENNANT
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
Tenant, a person holding lands under another, from Teneo, Latin, to hold. Local, Tyn, Welsh, a stretch, and nant, a ravine.
Patronymica Britannica (1860)
TENNANT. TENNENT. A tenant — one who holds lauds under another.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Status name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English