Son of Kenneth; fair one
A modern phonetic spelling of the Scottish surname Mackenzie. It derives from the Gaelic 'Mac Coinnich', meaning 'son of Coinneach', which translates to 'fair' or 'handsome'.
Less common today
Mkenzie isn't in the latest US Top 1000. It last peaked at #7,609 in 2008.
US births per 5-year period, 1990βpresent (SSA data).