Thalia has been given to about 16,264 people in the United States since 1880. It was most common in 1993, which makes it a Gen X and millennial name.
Thalia ranks 648th among American girls in 2025, with 446 born that year. Its best year was 1993, when 700 babies were given the name, ranking 363rd. The typical living American called Thalia is about 22 years old today. It is relatively most common in Rhode Island, where it accounts for 0.09% 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.