Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SIMON
As described in historical dictionaries
Patronymica Britannica (1860)
SIMON. A Christian name of Norman introduction, and formerly of much more frequent use than at present. Itself a surname, it has become the parent of many others, particularly of Sim, Sims, Simes, Simson and Simpson, Simkin and Simpkin, Simpkins, Simpkiuson, Simcock, Simcox, Simco, and Simcoe ; also of the forms in Y, as Symouds, Symondson, Sympson, Symm, Syms, and Symes_, with perhaps Sykes and Sikes, and sometimes of Simond, Simonds, Simmons, and Simmonds.
Surname type: From given name or forename
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English