Popularity in the United States (by decade)
Numbers
| Lillie (masculine) | Lillie (feminine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | - | - | #733 | 0.022 | ||
| 2010 | - | - | #552 | 0.029 | ||
| 2000 | - | - | #560 | 0.026 | ||
| 1990 | - | - | #1145 | 0.008 | ||
| 1980 | - | - | #1329 | 0.005 | ||
| 1970 | - | - | #936 | 0.009 | ||
| 1960 | - | - | #485 | 0.020 | ||
| 1950 | - | - | #278 | 0.049 | ||
| 1940 | - | - | #168 | 0.103 | ||
| 1930 | #1527 | 0.002 | #123 | 0.180 | ||
| 1920 | #1724 | 0.002 | #96 | 0.237 | ||
| 1910 | #1856 | 0.002 | #73 | 0.290 | ||
| 1900 | #954 | 0.005 | #50 | 0.495 | ||
| 1890 | #805 | 0.006 | #41 | 0.599 | ||
| 1880 | #924 | 0.003 | #39 | 0.676 | ||
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