Round hill or companion
The name Keidan is often considered a modern variation of the Gaelic name Kaden or Caden. It may derive from the Irish surname Mac CadΓ‘in, meaning son of CadΓ‘n, or relate to the Welsh word for spirit or companion. In some contexts, it is associated with the Old English word for a round hill.
Less common today
Keidan isn't in the latest US Top 1000. It last peaked at #7,435 in 2013.
US births per 5-year period, 1990βpresent (SSA data).