Son of Kenneth; fair one
A modern American spelling variation of the Scottish surname Mackenzie. It ultimately derives from the Gaelic 'Mac Coinnich', meaning 'son of Coinneach', which translates to 'fair' or 'comely'.
Less common today
Mckinzey isn't in the latest US Top 1000. It last peaked at #7,652 in 2011.
US births per 5-year period, 1990–present (SSA data).
