Mariana has been given to about 45,972 people in the United States since 1880. It was most common in 2005, which makes it a millennial-parent name.
Mariana ranks 261st among American girls in 2025, with 1,192 born that year. Its best year was 2005, when 2,069 babies were given the name, ranking 165th. The typical living American called Mariana is about 19 years old today. It is relatively most common in Rhode Island, where it accounts for 0.14% 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.