Mari has been given to about 16,645 people in the United States since 1880. It was most common in 1957, which makes it a midcentury name.
Its best year was 1957, when 412 babies were given the name, ranking 467th. The typical living American called Mari is about 50 years old today. It is relatively most common in Minnesota, where it accounts for 0.01% 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.