Son of Kenneth; born of fire
A modern spelling variant of the Scottish surname Mackenzie. It is derived from the Gaelic 'Mac Coinnich', meaning 'son of Coinneach', which translates to 'fair one' or 'born of fire'.
Fewer than 5 girls were named Mckensey in 2025.
US births per 5-year period, 1990–present (SSA data).