Son of the handsome one
A modern phonetic spelling of the Scottish surname Mackenzie. It originates from the Gaelic 'Mac Coinnich', referring to the son of Coinneach, a name meaning handsome or fair.
Less common today
Mackinzee isn't in the latest US Top 1000. It last peaked at #11,001 in 2002.
US births per 5-year period, 1990βpresent (SSA data).