In 2025, 52 US girls were named Moon, making it the 3,123rd most common girls’ name of the year, up 246 places from #3,369 in 2024. That is 5 more than the 47 girls named Moon in 2024. Its best rank for girls was #2,485, reached in 2022. That year also had the most girls given the name: 73. For comparison, it was #12,651 in 2015 and unranked in 1950.
In 2025, 13 US boys were named Moon, making it the 6,691st most common boys’ name of the year, down 871 places from #5,820 in 2024. That is 3 fewer than the 16 boys named Moon in 2024. Its best rank for boys was #3,961, reached in 2023. That year also had the most boys given the name: 28. For comparison, it was #13,415 in 2015 and unranked in 1950.
Social Security card records list Moon in 26 years of the 146 from 1880 to 2025, starting in 1972 with 6 babies. In all, 627 US babies have been given the name, 74% of them girls and 26% boys. Its busiest decade was the 2020s, with 410 babies named Moon.
Over the 10 years from 2016 to 2025, 384 US girls were named Moon; the busiest of those years was 2022, with 73. In 2025 that was about 1 in 30,909 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Luna (87,834 babies since 1880). Rarer spellings such as Mone, Mohan and Mon are summarised on this page.