Tilly is an uncommon variant of Tillie that has climbed to its highest level yet, peaking in 2025.
Tilly is a girl name. In 2025 it ranked #885 for girl births in the United States (and #1,681 across all names), given to 302 babies. Tilly first appears in 1912 and peaked in 2025 (302 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 302 | 302 | #885 |
| 2024 | 274 | 274 | #954 |
| 2023 | 242 | 242 | #1,045 |
| 2022 | 250 | 250 | #1,028 |
| 2021 | 218 | 218 | #1,133 |
| 2020 | 166 | 166 | #1,332 |
| 2019 | 170 | 170 | #1,344 |
| 2018 | 129 | 129 | #1,648 |
| 2017 | 110 | 110 | #1,862 |
| 2016 | 83 | 83 | #2,305 |
| 2015 | 84 | 84 | #2,257 |
| 2014 | 69 | 69 | #2,580 |
| 2013 | 64 | 64 | #2,724 |
| 2012 | 68 | 68 | #2,652 |
| 2011 | 51 | 51 | #3,263 |
| 2010 | 44 | 44 | #3,620 |
| 2009 | 41 | 41 | #3,867 |
| 2008 | 28 | 28 | #5,266 |
| 2007 | 31 | 31 | #4,797 |
| 2006 | 17 | 17 | #7,456 |
| 2005 | 14 | 14 | #8,297 |
| 2004 | 13 | 13 | #8,682 |
| 2003 | 14 | 14 | #7,965 |
| 2002 | 9 | 9 | #11,032 |
| 2001 | 12 | 12 | #8,710 |
| 2000 | 5 | 5 | #17,428 |
| 1999 | 14 | 14 | #7,206 |
| 1998 | 7 | 7 | #12,332 |
| 1997 | 9 | — | #9,753 |
| 1996 | 8 | — | #10,489 |
| 1995 | 9 | — | #9,501 |
| 1994 | 8 | — | #10,484 |
| 1992 | 5 | — | #15,434 |
| 1991 | 5 | — | #15,286 |
| 1990 | 6 | — | #12,846 |
| 1987 | 5 | — | #13,124 |
| 1979 | 6 | — | #10,124 |
| 1975 | 5 | — | #10,491 |
| 1974 | 6 | — | #8,679 |
| 1972 | 6 | — | #8,196 |
| 1971 | 5 | — | #9,534 |
| 1968 | 5 | — | #8,108 |
| 1963 | 6 | — | #6,532 |
| 1962 | 7 | — | #5,809 |
| 1959 | 5 | — | #7,128 |
| 1940 | 6 | — | #4,299 |
| 1933 | 6 | — | #4,178 |
| 1932 | 5 | — | #5,023 |
| 1928 | 5 | — | #5,363 |
| 1927 | 5 | — | #5,537 |
| 1925 | 5 | — | #5,696 |
| 1920 | 5 | — | #5,682 |
| 1916 | 9 | — | #3,230 |
| 1914 | 13 | — | #2,003 |
| 1912 | 5 | — | #3,390 |