The baby name Lilly appears in baby name data for the United States from 1910 to 2024. It was most popular in 2011 with 3,526 babies given the name.
In the later years of this period, Lilly has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 139 |
| 1911 | 148 |
| 1912 | 127 |
| 1913 | 191 |
| 1914 | 260 |
| 1915 | 309 |
| 1916 | 382 |
| 1917 | 350 |
| 1918 | 377 |
| 1919 | 330 |
| 1920 | 315 |
| 1921 | 365 |
| 1922 | 320 |
| 1923 | 334 |
| 1924 | 278 |
| 1925 | 331 |
| 1926 | 334 |
| 1927 | 336 |
| 1928 | 369 |
| 1929 | 311 |
| 1930 | 280 |
| 1931 | 192 |
| 1932 | 245 |
| 1933 | 205 |
| 1934 | 210 |
| 1935 | 186 |
| 1936 | 174 |
| 1937 | 189 |
| 1938 | 186 |
| 1939 | 158 |
| 1940 | 111 |
| 1941 | 181 |
| 1942 | 161 |
| 1943 | 170 |
| 1944 | 110 |
| 1945 | 83 |
| 1946 | 79 |
| 1947 | 109 |
| 1948 | 92 |
| 1949 | 59 |
| 1950 | 73 |
| 1951 | 104 |
| 1952 | 71 |
| 1953 | 76 |
| 1954 | 77 |
| 1955 | 84 |
| 1956 | 116 |
| 1957 | 94 |
| 1958 | 58 |
| 1959 | 89 |
| 1960 | 97 |
| 1961 | 75 |
| 1962 | 49 |
| 1963 | 33 |
| 1964 | 33 |
| 1965 | 42 |
| 1966 | 25 |
| 1967 | 10 |
| 1968 | 18 |
| 1969 | 20 |
| 1970 | 25 |
| 1971 | 22 |
| 1972 | 13 |
| 1973 | 17 |
| 1974 | 11 |
| 1975 | 12 |
| 1976 | 6 |
| 1977 | 24 |
| 1978 | 34 |
| 1979 | 24 |
| 1981 | 11 |
| 1982 | 30 |
| 1983 | 7 |
| 1984 | 8 |
| 1985 | 20 |
| 1986 | 17 |
| 1987 | 22 |
| 1988 | 36 |
| 1989 | 22 |
| 1990 | 35 |
| 1991 | 17 |
| 1992 | 52 |
| 1993 | 16 |
| 1994 | 51 |
| 1995 | 158 |
| 1996 | 158 |
| 1997 | 340 |
| 1998 | 393 |
| 1999 | 451 |
| 2000 | 641 |
| 2001 | 794 |
| 2002 | 977 |
| 2003 | 1,364 |
| 2004 | 2,113 |
| 2004 | 12 |
| 2005 | 2,520 |
| 2006 | 2,867 |
| 2007 | 3,040 |
| 2008 | 3,293 |
| 2009 | 3,274 |
| 2010 | 3,293 |
| 2011 | 3,526 |
| 2012 | 3,446 |
| 2013 | 2,981 |
| 2014 | 2,970 |
| 2015 | 2,772 |
| 2016 | 2,671 |
| 2017 | 2,403 |
| 2018 | 1,954 |
| 2019 | 1,808 |
| 2020 | 1,358 |
| 2021 | 1,677 |
| 2022 | 1,610 |
| 2023 | 1,467 |
| 2024 | 1,432 |