Fewer than five US girls were named Kilee in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,846, reached in 2004. The most girls given the name in a single year was 109, in 2008. For comparison, it was #4,664 in 2015 and unranked in 1950.
Social Security card records list Kilee in 46 years of the 146 from 1880 to 2025, starting in 1978 with 11 babies. In all, 1,826 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 840 babies named Kilee.
Over the 10 years from 2016 to 2025, 128 US girls were named Kilee; the busiest of those years was 2016, with 19.
Related spellings in the SSA files include Kylie (122,340 babies since 1880), Kylee (50,835 babies since 1880), Kiley (20,272 babies since 1880) and Kellee (3,730 babies since 1880).