In 2025, 45 US girls were named Posey, making it the 3,441st most common girls’ name of the year, down 118 places from #3,323 in 2024. That is 3 fewer than the 48 girls named Posey in 2024. Its best rank for girls was #3,066, reached in 2022. That year also had the most girls given the name: 54. For comparison, it was #3,748 in 2015 and unranked in 1950.
Fewer than five US boys were named Posey in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #953, reached in 1889. The most boys given the name in a single year was 17, in 1921. For comparison, it was unranked (under five boys) in 2015 and #3,251 in 1950.
Social Security card records list Posey in 60 years of the 146 from 1880 to 2025, starting in 1888 with 5 babies. In all, 995 US babies have been given the name, 60% of them girls and 40% boys. Its busiest decade was the 2020s, with 294 babies named Posey.
Over the 10 years from 2016 to 2025, 426 US girls were named Posey; the busiest of those years was 2022, with 54. In 2025 that was about 1 in 35,717 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Posie (593 babies since 1880).