In 2025, 28 US girls were named Lillyanne, making it the 4,831st most common girls’ name of the year, up 1,064 places from #5,895 in 2024. That is 7 more than the 21 girls named Lillyanne in 2024. Its best rank for girls was #2,444, reached in 2010. That year also had the most girls given the name: 77. For comparison, it was #3,160 in 2015 and unranked in 1950.
Social Security card records list Lillyanne in 28 years of the 146 from 1880 to 2025, starting in 1992 with 5 babies. In all, 1,063 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 553 babies named Lillyanne.
Over the 10 years from 2016 to 2025, 318 US girls were named Lillyanne; the busiest of those years was 2016, with 60. In 2025 that was about 1 in 57,402 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lilyann (3,377 babies since 1880), Lillyann (2,487 babies since 1880), Lillyan (2,426 babies since 1880) and Lilyanne (1,656 babies since 1880).