Son of Kenneth; fair one
A modern American spelling variation of the Scottish surname Mackenzie. It derives from the Gaelic 'Mac Coinnich', meaning 'son of Coinneach', which translates to 'fair one' or 'born of fire'.
Less common today
Mikenzie isn't in the latest US Top 1000. It last peaked at #3,016 in 2000.
US births per 5-year period, 1990βpresent (SSA data).