The baby name Leann appears in baby name data for the United States from 1935 to 2023. It was most popular in 1968 with 787 babies given the name.
In the later years of this period, Leann has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1935 | 12 |
| 1936 | 10 |
| 1938 | 19 |
| 1939 | 19 |
| 1940 | 12 |
| 1941 | 24 |
| 1942 | 17 |
| 1943 | 16 |
| 1944 | 37 |
| 1945 | 13 |
| 1946 | 76 |
| 1947 | 87 |
| 1948 | 116 |
| 1949 | 135 |
| 1950 | 138 |
| 1951 | 240 |
| 1952 | 212 |
| 1953 | 340 |
| 1954 | 365 |
| 1955 | 454 |
| 1956 | 502 |
| 1957 | 625 |
| 1958 | 540 |
| 1959 | 606 |
| 1960 | 730 |
| 1961 | 683 |
| 1962 | 701 |
| 1963 | 762 |
| 1964 | 667 |
| 1965 | 710 |
| 1966 | 707 |
| 1967 | 741 |
| 1968 | 787 |
| 1969 | 688 |
| 1970 | 694 |
| 1971 | 682 |
| 1972 | 487 |
| 1973 | 434 |
| 1974 | 386 |
| 1975 | 368 |
| 1976 | 392 |
| 1977 | 397 |
| 1978 | 344 |
| 1979 | 518 |
| 1980 | 539 |
| 1981 | 463 |
| 1982 | 526 |
| 1983 | 472 |
| 1984 | 423 |
| 1985 | 531 |
| 1986 | 470 |
| 1987 | 486 |
| 1988 | 490 |
| 1989 | 365 |
| 1990 | 285 |
| 1991 | 235 |
| 1992 | 227 |
| 1993 | 127 |
| 1994 | 139 |
| 1995 | 107 |
| 1996 | 147 |
| 1997 | 309 |
| 1998 | 385 |
| 1999 | 163 |
| 2000 | 148 |
| 2001 | 189 |
| 2002 | 93 |
| 2003 | 144 |
| 2004 | 130 |
| 2005 | 146 |
| 2006 | 142 |
| 2007 | 70 |
| 2008 | 143 |
| 2009 | 58 |
| 2010 | 89 |
| 2011 | 65 |
| 2012 | 68 |
| 2013 | 68 |
| 2014 | 52 |
| 2015 | 46 |
| 2016 | 47 |
| 2017 | 23 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 22 |
| 2021 | 10 |
| 2023 | 6 |