Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SARGENT
As described in historical dictionaries
Patronymica Britannica (1860)
SARJEANT. SARGENT. O.Fr. from Lat. Spelmau says a serjeant-at-law is so called because serviensa. legem. We have also serjeants-at-arms, serjeants-at-mace, &c. Cotgrave makes a sergent, " a footman or souldier that serves on foot." Gibbon, on the contrary, applies the word to " all horsemen who were not knights." PJchardson.
Surname type: Status name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English