Son of Kenzie; fair one
A modern phonetic variant 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
Makinsey isn't in the latest US Top 1000. It last peaked at #5,221 in 2005.
US births per 5-year period, 1990βpresent (SSA data).