Stephanie has been given to about 747,786 people in the United States since 1880. It was most common in 1990, which makes it a Gen X and millennial name.
Stephanie ranks 557th among American girls in 2025, with 543 born that year. Its best year was 1990, when 24,966 babies were given the name, ranking 7th. The typical living American called Stephanie is about 43 years old today. It is relatively most common in Nevada, where it accounts for 0.03% 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.