In 2025, 17 US girls were named Kelli, making it the 6,690th most common girls’ name of the year, up 730 places from #7,420 in 2024. That is 2 more than the 15 girls named Kelli in 2024. Its best rank for girls was #115, reached in 1970. That year also had the most girls given the name: 3,331. For comparison, it was #3,734 in 2015 and #4,143 in 1950.
Social Security card records list Kelli in 79 years of the 146 from 1880 to 2025, starting in 1945 with 5 babies. In all, 75,192 US babies have been given the name, 99.5% of them girls and 0.4% boys. Its busiest decade was the 1970s, with 21,637 babies named Kelli.
Over the 10 years from 2016 to 2025, 279 US girls were named Kelli; the busiest of those years was 2016, with 40. In 2025 that was about 1 in 94,545 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kelly (556,365 babies since 1880), Kelley (52,385 babies since 1880), Kellie (51,108 babies since 1880) and Keely (12,719 babies since 1880). Rarer spellings such as Kealii, Keelia and Kieli are summarised on this page.