Battle or companion
A modern invented spelling of Caden. It likely derives from the Gaelic surname Mac CadΓ‘in, meaning son of CadΓ‘n, or the Arabic name Kadin, meaning friend or companion.
Less common today
Caidyn isn't in the latest US Top 1000. It last peaked at #2,102 in 2011.
US births per 5-year period, 1990βpresent (SSA data).