As described in historical dictionaries

Patronymica Britannica (1860)

SWADTE. SWAYNE. L A Scandinavian personal name of great antiquity, introduced here under the Danish rule. Domesday shows us several persons (tenants in chief and otherwise) called Svain,Suain, Suanus, Suuen, Swen or Sueno, some of whom are specifically stated to have held lands under Edward the Confessor. Suain of Essex, supposed by Morant to have been of Danish origin, was ancestor of the famous Henry de Essex, temp. Henry II. 2. The A-Sax. sivaii : see previous article. Tlie forms in the Eotuli Hundredorum are Le Swein, Le Sweyn, and Sweyn.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


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