In 2025, 33 US girls were named Lillianne, making it the 4,311th most common girls’ name of the year, down 301 places from #4,010 in 2024. That is 4 fewer than the 37 girls named Lillianne in 2024. Its best rank for girls was #2,586, reached in 2013. That year also had the most girls given the name: 69. For comparison, it was #3,285 in 2015 and unranked in 1950.
Social Security card records list Lillianne in 42 years of the 146 from 1880 to 2025, starting in 1927 with 6 babies. In all, 1,343 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 543 babies named Lillianne.
Over the 10 years from 2016 to 2025, 402 US girls were named Lillianne; the busiest of those years was 2022, with 49. In 2025 that was about 1 in 48,705 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lillian (476,457 babies since 1880), Lillyann (2,487 babies since 1880), Lilyanne (1,656 babies since 1880) and Lilliann (1,258 babies since 1880). Rarer spellings such as Lillienne and Lillieanne are summarised on this page.