Son of Coinneach; fair one
A modern American spelling variant of the Scottish surname MacKenzie. It derives from the Gaelic 'Mac Coinnich', meaning 'son of Coinneach', where Coinneach translates to 'fair' or 'handsome'.
Less common today
Mckenzee isn't in the latest US Top 1000. It last peaked at #3,303 in 2001.
US births per 5-year period, 1990βpresent (SSA data).