Mariella has been given to about 5,213 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Mariella ranks 943rd among American girls in 2025, with 274 born that year. Its best year was 2025, when 274 babies were given the name, ranking 943rd. The typical living American called Mariella is about 13 years old today. It is relatively most common in Connecticut, where it accounts for 0.02% 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.