Mackenzie has been given to about 149,135 people in the United States since 1880. It was most common in 2001, which makes it a millennial-parent name.
Mackenzie ranks 228th among American girls in 2025, with 1,442 born that year. Its best year was 2001, when 7,105 babies were given the name, ranking 40th. The typical living American called Mackenzie is about 22 years old today. It is relatively most common in New Hampshire, where it accounts for 0.18% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.