August 17, 2014 § 1 Comment
From an English place name, meaning “wide island”. Possibly an elision of the name of the French town, Saint Denis. But probably not.
VARIATIONS and NICKNAMES:
For girls: Cyd, Cydne, Cydnie, Cydney, Sid, Sidelle, Sidonia, Sidonie, Sidne, Sidnie, Syd, Sydelle, Sydne, Sydney, Sydnie, Sydonia, Sydonie, etc.
For boys: Sid, Syd, Sydney, etc.
– Sidney Lanier (1842-1881), American author, musician, and poet.
– Sidney Sheldon (1917-2007), American writer.