In 2025, 365 US girls were named Maisy, making it the 745th most common girls’ name of the year, up 58 places from #803 in 2024. That is 14 more than the 351 girls named Maisy in 2024. Its best rank for girls was #745, reached in this year, 2025. That year also had the most girls given the name: 365. For comparison, it was #1,139 in 2015 and unranked in 1950.
Social Security card records list Maisy in 35 years of the 146 from 1880 to 2025, starting in 1991 with 6 babies. In all, 4,207 US babies have been given the name, all of them girls. Its busiest decade was the 2020s, with 1,801 babies named Maisy.
Over the 10 years from 2016 to 2025, 2,573 US girls were named Maisy; the busiest of those years was 2025, with 365. In 2025 that was about 1 in 4,403 of the girls in SSA’s list for the year.
Among the states, Maisy ranked highest in South Dakota in 2025, at #219 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Maisie (12,954 babies since 1880), Maisey (1,157 babies since 1880), Macy (33,304 babies since 1880) and Macey (11,587 babies since 1880).