In 2025, 3,880 US girls were named Leah, making it the 58th most common girls’ name of the year, down 5 places from #53 in 2024. That is 108 fewer than the 3,988 girls named Leah in 2024. Its best rank for girls was #24, reached in 2010. The most girls given the name in a single year was 6,790, in 2009. For comparison, it was #36 in 2015 and #385 in 1950.
Social Security card records list Leah in every one of the 146 years from 1880 to 2025; in 1880 there were 54 babies with the name. In all, 256,954 US babies have been given the name, 99.8% of them girls and 0.2% boys. Its busiest decade was the 2010s, with 56,113 babies named Leah.
Over the 10 years from 2016 to 2025, 45,498 US girls were named Leah; the busiest of those years was 2016, with 5,434. In 2025 that was about 1 in 414 of the girls in SSA’s list for the year.
Among the states, Leah ranked highest in New York in 2025, at #8 for girls there. It was in the top 100 in 25 states (counting DC). Related spellings in the SSA files include Lea (34,468 babies since 1880), Leia (18,778 babies since 1880), Leya (1,705 babies since 1880) and Lee (295,926 babies since 1880). Rarer spellings such as Leaha, Leeyah and Lyah are summarised on this page.