In 2025, 265 US boys were named Kaleo, making it the 898th most common boys’ name of the year, up 203 places from #1,101 in 2024. That is 69 more than the 196 boys named Kaleo in 2024. Its best rank for boys was #898, reached in this year, 2025. That year also had the most boys given the name: 265. For comparison, it was #2,264 in 2015 and unranked in 1950.
Social Security card records list Kaleo in 51 years of the 146 from 1880 to 2025, starting in 1971 with 5 babies. In all, 2,257 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 2020s, with 975 babies named Kaleo.
Over the 10 years from 2016 to 2025, 1,341 US boys were named Kaleo; the busiest of those years was 2025, with 265. In 2025 that was about 1 in 6,446 of the boys in SSA’s list for the year.
Among the states, Kaleo ranked highest in Hawaii in 2025, at #115 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kaylee (140,601 babies since 1880), Kali (33,438 babies since 1880), Kailey (27,254 babies since 1880) and Kaley (13,707 babies since 1880).