In 2025, 157 US girls were named Gaia, making it the 1,392nd most common girls’ name of the year, down 248 places from #1,144 in 2024. That is 55 fewer than the 212 girls named Gaia in 2024. Its best rank for girls was #1,122, reached in 2023. That year also had the most girls given the name: 219. For comparison, it was #2,107 in 2015 and unranked in 1950.
Social Security card records list Gaia in 41 years of the 146 from 1880 to 2025, starting in 1980 with 6 babies. In all, 2,434 US babies have been given the name, all of them girls. Its busiest decade was the 2020s, with 1,133 babies named Gaia.
Over the 10 years from 2016 to 2025, 1,574 US girls were named Gaia; the busiest of those years was 2023, with 219. In 2025 that was about 1 in 10,237 of the girls in SSA’s list for the year.
Among the states, Gaia ranked highest in Massachusetts in 2025, at #581 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Gia (22,700 babies since 1880), Caia (1,201 babies since 1880), Gay (19,367 babies since 1880) and Gaye (5,746 babies since 1880).