Companion or fighter
Kaydan is a modern spelling variant of Caden. Its roots are often attributed to the Arabic word for companion or the Gaelic surname Mac CadΓ‘in, meaning son of CadΓ‘n, which likely stems from a word for battle or fighter.
Less common today
Kaydan isn't in the latest US Top 1000. It last peaked at #2,503 in 2011.
US births per 5-year period, 1990βpresent (SSA data).