Stefania has been given to about 2,653 people in the United States since 1880. It was most common in 2004, which makes it a millennial-parent name.
Its best year was 2004, when 60 babies were given the name, ranking 2737th. The typical living American called Stefania is about 26 years old today. It is relatively most common in New York, where it accounts for 0.00% 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.