In 2025, 14 US girls were named Portia, making it the 7,803rd most common girls’ name of the year, down 1,696 places from #6,107 in 2024. That is 6 fewer than the 20 girls named Portia in 2024. Its best rank for girls was #590, reached in 1949. The most girls given the name in a single year was 259, in 1989. For comparison, it was #3,691 in 2015 and #607 in 1950.
Social Security card records list Portia in 135 years of the 146 from 1880 to 2025, starting in 1882 with 5 babies. In all, 10,635 US babies have been given the name, 99.9% of them girls and 0.1% boys. Its busiest decade was the 1980s, with 1,872 babies named Portia.
Over the 10 years from 2016 to 2025, 188 US girls were named Portia; the busiest of those years was 2016, with 29. In 2025 that was about 1 in 114,805 of the girls in SSA’s list for the year.