Stephan has been given to about 27,910 people in the United States since 1880. It was most common in 1989, which makes it a Gen X and millennial name.
Its best year was 1989, when 579 babies were given the name, ranking 382nd. The typical living American called Stephan is about 45 years old today. It is relatively most common in Indiana, 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.