In 2025, 15 US girls were named Lillee, making it the 7,348th most common girls’ name of the year, down 1,968 places from #5,380 in 2024. That is 9 fewer than the 24 girls named Lillee in 2024. Its best rank for girls was #2,443, reached in 2010. That year also had the most girls given the name: 77. For comparison, it was #2,763 in 2015 and unranked in 1950.
Social Security card records list Lillee in 28 years of the 146 from 1880 to 2025, starting in 1998 with 6 babies. In all, 1,085 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 577 babies named Lillee.
Over the 10 years from 2016 to 2025, 303 US girls were named Lillee; the busiest of those years was 2016, with 55. In 2025 that was about 1 in 107,151 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lillie (159,791 babies since 1880), Lilly (66,752 babies since 1880), Lilli (3,383 babies since 1880) and Lillia (2,633 babies since 1880). Rarer spellings such as Lylee and Leelee are summarised on this page.