Leo in Illinois
Babies in Illinois
13,398
since 1910
Rank in Illinois · 2025
#8
recorded as boys
Peak year in Illinois
2025
Babies per 1,000 (same sex) in Illinois, 1910–2025
Recorded as boys
US overall
Yearly share of babies named Leo in Illinois from 1910 to 2025, compared with the national share (dashed line).
Show every year
| Year | Girls | Rank | Boys | Rank |
|---|---|---|---|---|
| 2025 | <5 | — | 385 | 8 |
| 2024 | <5 | — | 296 | 18 |
| 2023 | <5 | — | 350 | 12 |
| 2022 | <5 | — | 340 | 17 |
| 2021 | <5 | — | 364 | 17 |
| 2020 | <5 | — | 341 | 18 |
| 2019 | <5 | — | 360 | 25 |
| 2018 | <5 | — | 338 | 28 |
| 2017 | <5 | — | 306 | 39 |
| 2016 | <5 | — | 274 | 49 |
| 2015 | <5 | — | 246 | 63 |
| 2014 | <5 | — | 191 | 83 |
| 2013 | <5 | — | 182 | 86 |
| 2012 | <5 | — | 165 | 94 |
| 2011 | <5 | — | 112 | 138 |
| 2010 | <5 | — | 107 | 142 |
| 2009 | <5 | — | 87 | 173 |
| 2008 | <5 | — | 81 | 186 |
| 2007 | <5 | — | 66 | 225 |
| 2006 | <5 | — | 80 | 192 |
| 2005 | <5 | — | 69 | 219 |
| 2004 | <5 | — | 72 | 214 |
| 2003 | <5 | — | 77 | 207 |
| 2002 | <5 | — | 48 | 291 |
| 2001 | <5 | — | 37 | 336 |
| 2000 | <5 | — | 30 | 379 |
| 1999 | <5 | — | 29 | 381 |
| 1998 | <5 | — | 24 | 441 |
| 1997 | <5 | — | 26 | 402 |
| 1996 | <5 | — | 26 | 401 |
| 1995 | <5 | — | 24 | 437 |
| 1994 | <5 | — | 29 | 375 |
| 1993 | <5 | — | 31 | 368 |
| 1992 | <5 | — | 31 | 363 |
| 1991 | <5 | — | 32 | 344 |
| 1990 | <5 | — | 18 | 489 |
| 1989 | <5 | — | 22 | 427 |
| 1988 | <5 | — | 15 | 507 |
| 1987 | <5 | — | 20 | 410 |
| 1986 | <5 | — | 17 | 425 |
| 1985 | <5 | — | 25 | 347 |
| 1984 | <5 | — | 14 | 471 |
| 1983 | <5 | — | 19 | 403 |
| 1982 | <5 | — | 22 | 373 |
| 1981 | <5 | — | 31 | 304 |
| 1980 | <5 | — | 20 | 411 |
| 1979 | <5 | — | 22 | 379 |
| 1978 | <5 | — | 22 | 364 |
| 1977 | <5 | — | 27 | 340 |
| 1976 | <5 | — | 27 | 319 |
| 1975 | <5 | — | 24 | 352 |
| 1974 | <5 | — | 34 | 279 |
| 1973 | <5 | — | 21 | 364 |
| 1972 | <5 | — | 29 | 321 |
| 1971 | <5 | — | 34 | 299 |
| 1970 | <5 | — | 27 | 352 |
| 1969 | <5 | — | 48 | 231 |
| 1968 | <5 | — | 39 | 261 |
| 1967 | <5 | — | 40 | 250 |
| 1966 | <5 | — | 42 | 243 |
| 1965 | <5 | — | 35 | 270 |
| 1964 | <5 | — | 53 | 227 |
| 1963 | <5 | — | 43 | 247 |
| 1962 | <5 | — | 69 | 205 |
| 1961 | <5 | — | 77 | 194 |
| 1960 | <5 | — | 71 | 201 |
| 1959 | <5 | — | 90 | 176 |
| 1958 | <5 | — | 78 | 177 |
| 1957 | <5 | — | 79 | 183 |
| 1956 | <5 | — | 87 | 166 |
| 1955 | <5 | — | 91 | 158 |
| 1954 | <5 | — | 76 | 166 |
| 1953 | <5 | — | 99 | 143 |
| 1952 | <5 | — | 67 | 171 |
| 1951 | <5 | — | 88 | 140 |
| 1950 | <5 | — | 77 | 146 |
| 1949 | <5 | — | 73 | 147 |
| 1948 | <5 | — | 87 | 134 |
| 1947 | <5 | — | 80 | 147 |
| 1946 | <5 | — | 80 | 135 |
| 1945 | <5 | — | 65 | 141 |
| 1944 | <5 | — | 78 | 121 |
| 1943 | <5 | — | 76 | 129 |
| 1942 | <5 | — | 102 | 110 |
| 1941 | <5 | — | 75 | 120 |
| 1940 | <5 | — | 71 | 125 |
| 1939 | <5 | — | 87 | 97 |
| 1938 | <5 | — | 82 | 108 |
| 1937 | <5 | — | 108 | 85 |
| 1936 | <5 | — | 101 | 85 |
| 1935 | <5 | — | 109 | 82 |
| 1934 | <5 | — | 119 | 78 |
| 1933 | <5 | — | 100 | 87 |
| 1932 | <5 | — | 139 | 69 |
| 1931 | <5 | — | 173 | 61 |
| 1930 | <5 | — | 155 | 68 |
| 1929 | <5 | — | 153 | 70 |
| 1928 | <5 | — | 184 | 64 |
| 1927 | <5 | — | 195 | 62 |
| 1926 | <5 | — | 239 | 49 |
| 1925 | <5 | — | 230 | 50 |
| 1924 | <5 | — | 260 | 48 |
| 1923 | <5 | — | 260 | 44 |
| 1922 | <5 | — | 247 | 46 |
| 1921 | <5 | — | 281 | 42 |
| 1920 | <5 | — | 283 | 45 |
| 1919 | <5 | — | 292 | 39 |
| 1918 | <5 | — | 308 | 41 |
| 1917 | <5 | — | 287 | 40 |
| 1916 | <5 | — | 252 | 43 |
| 1915 | <5 | — | 275 | 38 |
| 1914 | <5 | — | 201 | 42 |
| 1913 | <5 | — | 142 | 44 |
| 1912 | <5 | — | 128 | 41 |
| 1911 | <5 | — | 63 | 35 |
| 1910 | <5 | — | 63 | 28 |