Maci has been given to about 21,348 people in the United States since 1880. It was most common in 2011, which makes it a millennial-parent name.
Maci ranks 773rd among American girls in 2025, with 352 born that year. Its best year was 2011, when 1,737 babies were given the name, ranking 180th. The typical living American called Maci is about 14 years old today. It is relatively most common in West Virginia, where it accounts for 0.04% 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.