Fighter or companion
Kaydyn is a modern Americanized spelling of Caden. It likely derives from the Gaelic surname Mac Cadáin, meaning son of Cadán, or from the Arabic name Kadin, meaning companion or friend.
Less common today
Kaydyn isn't in the latest US Top 1000. It last peaked at #3,714 in 2009.
US births per 5-year period, 1990–present (SSA data).
