Leni is a rare variant of Lena that has climbed to its highest level yet, peaking in 2023.
Leni is predominantly a girl name. In 2025 it ranked #1,179 for girl births in the United States (and #2,238 across all names), given to 197 babies. Leni was first reported in SSA data in 1938 and peaked in 2023 (201 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 197 | 197 | #1,179 | — |
| 2024 | 187 | 187 | #1,246 | — |
| 2023 | 208 | 208 | #1,197 | #10,343 |
| 2022 | 141 | 141 | #1,530 | — |
| 2021 | 117 | 117 | #1,755 | — |
| 2020 | 99 | 99 | #1,940 | — |
| 2019 | 108 | 108 | #1,925 | #13,326 |
| 2018 | 81 | 81 | #2,263 | — |
| 2017 | 55 | 55 | #2,998 | — |
| 2016 | 52 | 52 | #3,166 | — |
| 2015 | 40 | 40 | #3,814 | — |
| 2014 | 39 | 39 | #3,888 | — |
| 2013 | 37 | 37 | #4,497 | #13,275 |
| 2012 | 36 | 36 | #4,183 | — |
| 2011 | 34 | 34 | #4,313 | — |
| 2010 | 33 | 33 | #5,044 | #13,478 |
| 2009 | 33 | 33 | #4,541 | — |
| 2008 | 23 | 23 | #6,053 | — |
| 2007 | 23 | 23 | #7,279 | #13,588 |
| 2006 | 26 | 26 | #5,316 | — |
| 2005 | 11 | 11 | #9,847 | — |
| 2004 | 6 | 6 | #15,255 | — |
| 1991 | 7 | — | #10,955 | — |
| 1989 | 7 | — | #10,347 | — |
| 1988 | 5 | — | #12,964 | — |
| 1987 | 5 | — | #12,369 | — |
| 1983 | 6 | — | #9,681 | — |
| 1981 | 5 | — | #11,336 | — |
| 1980 | 7 | — | #8,658 | — |
| 1979 | 7 | — | #8,554 | — |
| 1978 | 6 | — | #9,192 | — |
| 1977 | 9 | — | #6,625 | — |
| 1976 | 5 | — | #10,134 | — |
| 1975 | 7 | — | #7,597 | — |
| 1974 | 6 | — | #8,254 | — |
| 1969 | 8 | — | #5,737 | — |
| 1967 | 6 | — | #6,450 | — |
| 1965 | 5 | — | #7,077 | — |
| 1964 | 10 | — | #4,515 | — |
| 1963 | 7 | — | #5,630 | — |
| 1962 | 5 | — | #7,113 | — |
| 1961 | 14 | — | #3,538 | — |
| 1960 | 7 | — | #5,456 | — |
| 1959 | 8 | — | #4,839 | — |
| 1958 | 6 | — | #5,791 | — |
| 1957 | 10 | — | #4,078 | — |
| 1956 | 10 | — | #4,048 | — |
| 1955 | 12 | — | #3,477 | — |
| 1954 | 6 | — | #5,475 | — |
| 1953 | 8 | — | #4,422 | — |
| 1952 | 5 | — | #6,023 | — |
| 1951 | 13 | — | #3,026 | — |
| 1950 | 11 | — | #3,335 | — |
| 1949 | 18 | — | #2,377 | — |
| 1948 | 18 | — | #2,382 | — |
| 1947 | 14 | — | #2,838 | — |
| 1946 | 12 | — | #2,964 | — |
| 1945 | 11 | — | #2,845 | — |
| 1944 | 15 | — | #2,347 | — |
| 1943 | 11 | — | #2,963 | — |
| 1942 | 14 | — | #2,482 | — |
| 1941 | 11 | — | #2,762 | — |
| 1940 | 8 | — | #3,374 | — |
| 1939 | 5 | — | #4,607 | — |
| 1938 | 6 | — | #4,107 | — |