Rhythmic or companion
Kadyn is a modern American spelling variant of Caden. Its meaning is often associated with the Arabic word for companion or friend, as well as the Welsh word for spirit or battle. In contemporary usage, it is frequently linked to the musical term cadence, implying a rhythmic flow.
Less common today
Kadyn isn't in the latest US Top 1000. It last peaked at #834 in 2009.
US births per 5-year period, 1990βpresent (SSA data).