In 2025, 212 US girls were named Mollie, making it the 1,116th most common girls’ name of the year, up 88 places from #1,204 in 2024. That is 15 more than the 197 girls named Mollie in 2024. Its best rank for girls was #79, reached in 1885. The most girls given the name in a single year was 738, in 1915. For comparison, it was #990 in 2015 and #570 in 1950.
Social Security card records list Mollie in every one of the 146 years from 1880 to 2025; in 1880 there were 283 babies with the name. In all, 48,210 US babies have been given the name, 99.9% of them girls and 0.1% boys. Its busiest decade was the 1910s, with 5,789 babies named Mollie.
Over the 10 years from 2016 to 2025, 2,210 US girls were named Mollie; the busiest of those years was 2016, with 263. In 2025 that was about 1 in 7,581 of the girls in SSA’s list for the year.
Among the states, Mollie ranked highest in Kentucky in 2025, at #552 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Molly (176,487 babies since 1880) and Molli (1,989 babies since 1880).