Lillia is an uncommon variant of Lillie that peaked in 2013 and remains in steady use.
Lillia is a girl name. In 2025 it ranked #3,014 for girl births in the United States (and #5,310 across all names), given to 55 babies. Lillia first appears in 1881 and peaked in 2013 (73 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 55 | 55 | #3,014 |
| 2024 | 51 | 51 | #3,149 |
| 2023 | 57 | 57 | #2,957 |
| 2022 | 56 | 56 | #2,981 |
| 2021 | 48 | 48 | #3,320 |
| 2020 | 39 | 39 | #3,759 |
| 2019 | 42 | 42 | #3,646 |
| 2018 | 45 | 45 | #3,470 |
| 2017 | 45 | 45 | #3,461 |
| 2016 | 64 | 64 | #2,726 |
| 2015 | 63 | 63 | #2,797 |
| 2014 | 69 | 69 | #2,573 |
| 2013 | 73 | 73 | #2,474 |
| 2012 | 70 | 70 | #2,587 |
| 2011 | 69 | 69 | #2,607 |
| 2010 | 60 | 60 | #2,887 |
| 2009 | 56 | 56 | #3,075 |
| 2008 | 68 | 68 | #2,708 |
| 2007 | 72 | 72 | #2,589 |
| 2006 | 61 | 61 | #2,872 |
| 2005 | 63 | 63 | #2,695 |
| 2004 | 59 | 59 | #2,768 |
| 2003 | 57 | 57 | #2,757 |
| 2002 | 31 | 31 | #4,140 |
| 2001 | 22 | 22 | #5,295 |
| 2000 | 33 | 33 | #3,840 |
| 1999 | 24 | 24 | #4,668 |
| 1998 | 36 | 36 | #3,396 |
| 1997 | 19 | — | #5,327 |
| 1996 | 24 | — | #4,395 |
| 1995 | 9 | — | #9,209 |
| 1994 | 8 | — | #10,121 |
| 1993 | 8 | — | #10,150 |
| 1992 | 8 | — | #10,039 |
| 1990 | 6 | — | #12,251 |
| 1989 | 9 | — | #8,445 |
| 1988 | 8 | — | #8,852 |
| 1986 | 7 | — | #9,110 |
| 1985 | 5 | — | #11,681 |
| 1984 | 8 | — | #7,822 |
| 1983 | 6 | — | #9,694 |
| 1982 | 7 | — | #8,770 |
| 1981 | 9 | — | #7,118 |
| 1980 | 8 | — | #7,812 |
| 1979 | 9 | — | #7,053 |
| 1977 | 6 | — | #9,123 |
| 1975 | 6 | — | #8,588 |
| 1972 | 8 | — | #6,288 |
| 1971 | 8 | — | #6,346 |
| 1970 | 6 | — | #7,574 |
| 1969 | 5 | — | #8,108 |
| 1968 | 8 | — | #5,420 |
| 1967 | 5 | — | #7,368 |
| 1966 | 6 | — | #6,224 |
| 1965 | 7 | — | #5,569 |
| 1964 | 5 | — | #7,342 |
| 1963 | 12 | — | #3,924 |
| 1962 | 7 | — | #5,592 |
| 1961 | 9 | — | #4,729 |
| 1960 | 10 | — | #4,329 |
| 1959 | 15 | — | #3,187 |
| 1958 | 14 | — | #3,311 |
| 1957 | 9 | — | #4,401 |
| 1956 | 9 | — | #4,331 |
| 1955 | 12 | — | #3,485 |
| 1954 | 9 | — | #4,146 |
| 1953 | 5 | — | #6,146 |
| 1952 | 9 | — | #3,989 |
| 1951 | 16 | — | #2,644 |
| 1950 | 9 | — | #3,829 |
| 1949 | 9 | — | #3,769 |
| 1948 | 10 | — | #3,490 |
| 1947 | 9 | — | #3,891 |
| 1946 | 7 | — | #4,238 |
| 1945 | 5 | — | #4,941 |
| 1944 | 7 | — | #3,910 |
| 1943 | 8 | — | #3,675 |
| 1942 | 8 | — | #3,595 |
| 1941 | 8 | — | #3,414 |
| 1940 | 12 | — | #2,500 |
| 1939 | 17 | — | #2,000 |
| 1938 | 12 | — | #2,516 |
| 1937 | 21 | — | #1,709 |
| 1936 | 11 | — | #2,613 |
| 1935 | 13 | — | #2,379 |
| 1934 | 10 | — | #2,844 |
| 1933 | 10 | — | #2,790 |
| 1932 | 13 | — | #2,435 |
| 1931 | 15 | — | #2,161 |
| 1930 | 12 | — | #2,621 |
| 1929 | 24 | — | #1,622 |
| 1928 | 17 | — | #2,147 |
| 1927 | 19 | — | #2,074 |
| 1926 | 12 | — | #2,807 |
| 1925 | 21 | — | #1,919 |
| 1924 | 22 | — | #1,901 |
| 1923 | 22 | — | #1,872 |
| 1922 | 17 | — | #2,233 |
| 1921 | 23 | — | #1,841 |
| 1920 | 20 | — | #1,988 |
| 1919 | 19 | — | #1,959 |
| 1918 | 17 | — | #2,158 |
| 1917 | 13 | — | #2,492 |
| 1916 | 18 | — | #1,916 |
| 1915 | 14 | — | #2,194 |
| 1914 | 11 | — | #2,199 |
| 1913 | 13 | — | #1,723 |
| 1912 | 12 | — | #1,673 |
| 1911 | 9 | — | #1,728 |
| 1910 | 14 | — | #1,244 |
| 1909 | 9 | — | #1,544 |
| 1908 | 12 | — | #1,240 |
| 1907 | 6 | — | #1,955 |
| 1906 | 12 | — | #1,132 |
| 1905 | 7 | — | #1,625 |
| 1904 | 7 | — | #1,576 |
| 1903 | 8 | — | #1,392 |
| 1902 | 6 | — | #1,714 |
| 1901 | 6 | — | #1,578 |
| 1900 | 9 | — | #1,379 |
| 1899 | 7 | — | #1,335 |
| 1898 | 10 | — | #1,147 |
| 1897 | 6 | — | #1,474 |
| 1896 | 12 | — | #981 |
| 1895 | 16 | — | #804 |
| 1894 | 7 | — | #1,297 |
| 1893 | 8 | — | #1,131 |
| 1892 | 7 | — | #1,228 |
| 1891 | 11 | — | #870 |
| 1889 | 7 | — | #1,087 |
| 1888 | 5 | — | #1,387 |
| 1887 | 7 | — | #993 |
| 1886 | 6 | — | #1,046 |
| 1885 | 8 | — | #822 |
| 1884 | 5 | — | #1,098 |
| 1883 | 7 | — | #792 |
| 1881 | 7 | — | #719 |