In 2025, 93 US girls were named Moira, making it the 2,047th most common girls’ name of the year, down 139 places from #1,908 in 2024. That is 12 fewer than the 105 girls named Moira in 2024. Its best rank for girls was #834, reached in 1965. The most girls given the name in a single year was 144, in 1963. For comparison, it was #1,638 in 2015 and #1,519 in 1950.
Social Security card records list Moira in 107 years of the 146 from 1880 to 2025, starting in 1913 with 5 babies. In all, 7,941 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 1,215 babies named Moira.
Over the 10 years from 2016 to 2025, 1,139 US girls were named Moira; the busiest of those years was 2018, with 133. In 2025 that was about 1 in 17,282 of the girls in SSA’s list for the year.
Among the states, Moira ranked highest in Pennsylvania in 2025, at #1,548 for girls there. It was not in the top 100 of any state. Rarer spellings such as Mora and Morah are summarised on this page.