In 2025, 33 US boys were named Prosper, making it the 3,493rd most common boys’ name of the year, down 792 places from #2,701 in 2024. That is 16 fewer than the 49 boys named Prosper in 2024. Its best rank for boys was #976, reached in 1881. The most boys given the name in a single year was 49, in 2024. For comparison, it was #4,514 in 2015 and unranked in 1950.
In 2025, 8 US girls were named Prosper, making it the 11,683rd most common girls’ name of the year, down 2,848 places from #8,835 in 2024. That is 4 fewer than the 12 girls named Prosper in 2024. Its best rank for girls was #8,835, reached in 2024. That year also had the most girls given the name: 12. For comparison, it was unranked (under five girls) in 2015 and unranked in 1950.
Social Security card records list Prosper in 52 years of the 146 from 1880 to 2025, starting in 1881 with 5 babies. In all, 754 US babies have been given the name, 10% of them girls and 90% boys. Its busiest decade was the 2020s, with 285 babies named Prosper.
Over the 10 years from 2016 to 2025, 324 US boys were named Prosper; the busiest of those years was 2024, with 49. In 2025 that was about 1 in 51,760 of the boys in SSA’s list for the year.