Companion or fighter
Kaiyden is a modern American phonetic variation of the name Caden. While its exact etymology is debated, it is often linked to the Welsh name Cadell, meaning 'spirit of battle', or the Arabic name Kadin, meaning 'companion'.
Less common today
Kaiyden isn't in the latest US Top 1000. It last peaked at #5,913 in 2013.
US births per 5-year period, 1990βpresent (SSA data).