In 2025, 131 US girls were named Lani, making it the 1,603rd most common girls’ name of the year, up 302 places from #1,905 in 2024. That is 26 more than the 105 girls named Lani in 2024. Its best rank for girls was #877, reached in 1947. The most girls given the name in a single year was 143, in 1979. For comparison, it was #2,673 in 2015 and #1,058 in 1950.
Social Security card records list Lani in 91 years of the 146 from 1880 to 2025, starting in 1917 with 5 babies. In all, 7,556 US babies have been given the name, 98% of them girls and 2.4% boys. Its busiest decade was the 2000s, with 1,155 babies named Lani.
Over the 10 years from 2016 to 2025, 916 US girls were named Lani; the busiest of those years was 2025, with 131. In 2025 that was about 1 in 12,269 of the girls in SSA’s list for the year.
Among the states, Lani ranked highest in Indiana in 2025, at #878 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Lana (57,449 babies since 1880), Lane (52,177 babies since 1880), Leni (1,962 babies since 1880) and Laney (14,360 babies since 1880). Rarer spellings such as Layani, Lanyia and Laiani are summarised on this page.