In 2025, 1,215 US girls were named Kailani, making it the 253rd most common girls’ name of the year, up 23 places from #276 in 2024. That is 71 more than the 1,144 girls named Kailani in 2024. Its best rank for girls was #222, reached in 2022. That year also had the most girls given the name: 1,350. For comparison, it was #878 in 2015 and unranked in 1950.
Social Security card records list Kailani in 44 years of the 146 from 1880 to 2025, starting in 1980 with 8 babies. In all, 12,823 US babies have been given the name, 99.6% of them girls and 0.4% boys. Its busiest decade was the 2020s, with 7,322 babies named Kailani.
Over the 10 years from 2016 to 2025, 9,864 US girls were named Kailani; the busiest of those years was 2022, with 1,350. In 2025 that was about 1 in 1,323 of the girls in SSA’s list for the year.
Among the states, Kailani ranked highest in Hawaii in 2025, at #16 for girls there. It was in the top 100 in 1 state (counting DC). Related spellings in the SSA files include Kalani (12,515 babies since 1880), Kaylani (11,877 babies since 1880), Kahlani (2,220 babies since 1880) and Kailany (1,840 babies since 1880). Rarer spellings such as Kaloni, Kaiulani and Calani are summarised on this page.