The baby name Leonor appears in baby name data for the United States from 1910 to 2024. It was most popular in 1935 with 129 babies given the name.
In the later years of this period, Leonor has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 33 |
| 1911 | 44 |
| 1912 | 50 |
| 1913 | 47 |
| 1914 | 56 |
| 1915 | 66 |
| 1916 | 89 |
| 1917 | 60 |
| 1918 | 77 |
| 1919 | 49 |
| 1920 | 51 |
| 1921 | 76 |
| 1922 | 68 |
| 1923 | 56 |
| 1924 | 52 |
| 1925 | 51 |
| 1926 | 69 |
| 1927 | 94 |
| 1928 | 109 |
| 1929 | 122 |
| 1930 | 73 |
| 1931 | 81 |
| 1932 | 51 |
| 1933 | 56 |
| 1934 | 38 |
| 1935 | 129 |
| 1936 | 30 |
| 1937 | 53 |
| 1938 | 38 |
| 1939 | 40 |
| 1940 | 26 |
| 1941 | 22 |
| 1943 | 81 |
| 1948 | 8 |
| 1949 | 6 |
| 1950 | 39 |
| 1951 | 33 |
| 1952 | 29 |
| 1953 | 50 |
| 1954 | 22 |
| 1955 | 20 |
| 1956 | 39 |
| 1957 | 34 |
| 1958 | 20 |
| 1959 | 49 |
| 1960 | 52 |
| 1961 | 37 |
| 1962 | 34 |
| 1963 | 6 |
| 1964 | 19 |
| 1965 | 11 |
| 1966 | 7 |
| 1967 | 26 |
| 1968 | 33 |
| 1969 | 27 |
| 1970 | 28 |
| 1971 | 43 |
| 1972 | 46 |
| 1973 | 39 |
| 1974 | 27 |
| 1975 | 25 |
| 1976 | 24 |
| 1977 | 46 |
| 1978 | 25 |
| 1979 | 35 |
| 1980 | 16 |
| 1981 | 19 |
| 1982 | 16 |
| 1983 | 16 |
| 1984 | 9 |
| 1985 | 57 |
| 1986 | 24 |
| 1987 | 18 |
| 1988 | 11 |
| 1990 | 42 |
| 1992 | 5 |
| 1996 | 5 |
| 1997 | 5 |
| 1998 | 19 |
| 1999 | 12 |
| 2001 | 10 |
| 2003 | 12 |
| 2004 | 12 |
| 2006 | 11 |
| 2007 | 21 |
| 2008 | 7 |
| 2010 | 11 |
| 2011 | 7 |
| 2015 | 30 |
| 2016 | 12 |
| 2017 | 32 |
| 2018 | 20 |
| 2019 | 13 |
| 2020 | 27 |
| 2021 | 25 |
| 2022 | 28 |
| 2023 | 11 |
| 2024 | 59 |