In 2025, 55 US girls were named Lillia, making it the 3,014th most common girls’ name of the year, up 135 places from #3,149 in 2024. That is 4 more than the 51 girls named Lillia in 2024. Its best rank for girls was #719, reached in 1881. The most girls given the name in a single year was 73, in 2013. For comparison, it was #2,797 in 2015 and #3,829 in 1950.
Social Security card records list Lillia in 137 years of the 146 from 1880 to 2025, starting in 1881 with 7 babies. In all, 2,633 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 600 babies named Lillia.
Over the 10 years from 2016 to 2025, 502 US girls were named Lillia; the busiest of those years was 2016, with 64. In 2025 that was about 1 in 29,223 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lilly (66,752 babies since 1880), Lilia (14,319 babies since 1880), Lillie (159,791 babies since 1880) and Lelia (15,645 babies since 1880). Rarer spellings such as Lilleah are summarised on this page.
Meaning
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in Latin. That is where the name is used, not necessarily where it comes from.