Deleon is a rare variant of Delano that peaked in 1986 and has grown less common since.
Deleon is predominantly a boy name. In 2025 it ranked #9,113 for boy births in the United States (and #18,846 across all names), given to 8 babies. Deleon first appears in 1917 and peaked in 2002 (24 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 8 | 8 | — | #9,113 |
| 2024 | 12 | 12 | — | #6,927 |
| 2023 | 13 | 13 | — | #6,627 |
| 2022 | 12 | 12 | — | #6,918 |
| 2021 | 11 | 11 | — | #7,210 |
| 2020 | 16 | 16 | — | #5,512 |
| 2019 | 10 | 10 | — | #7,773 |
| 2018 | 12 | 12 | — | #6,796 |
| 2017 | 10 | 10 | — | #7,708 |
| 2016 | 15 | 15 | — | #5,850 |
| 2015 | 8 | 8 | — | #8,938 |
| 2014 | 17 | 17 | — | #5,301 |
| 2013 | 15 | 15 | — | #5,729 |
| 2012 | 10 | 10 | — | #7,678 |
| 2011 | 15 | 15 | — | #5,737 |
| 2010 | 17 | 17 | — | #5,303 |
| 2009 | 22 | 22 | — | #4,466 |
| 2008 | 20 | 20 | — | #4,761 |
| 2007 | 15 | 15 | — | #5,712 |
| 2006 | 15 | 15 | — | #5,588 |
| 2005 | 10 | 10 | — | #7,243 |
| 2004 | 15 | 15 | — | #5,313 |
| 2003 | 20 | 20 | — | #4,147 |
| 2002 | 24 | 24 | — | #3,583 |
| 2001 | 13 | 13 | — | #5,446 |
| 2000 | 14 | 14 | — | #5,098 |
| 1999 | 11 | 11 | — | #5,746 |
| 1998 | 15 | 15 | — | #4,460 |
| 1997 | 17 | — | — | #3,922 |
| 1996 | 13 | — | — | #4,674 |
| 1995 | 19 | — | — | #3,456 |
| 1994 | 13 | — | — | #4,594 |
| 1993 | 17 | — | — | #3,699 |
| 1992 | 21 | — | — | #3,137 |
| 1991 | 21 | — | — | #3,020 |
| 1990 | 18 | — | — | #3,341 |
| 1989 | 18 | — | — | #3,232 |
| 1988 | 21 | — | #10,693 | #3,392 |
| 1987 | 15 | — | — | #3,233 |
| 1986 | 25 | — | #7,930 | #2,918 |
| 1985 | 11 | — | — | #3,855 |
| 1984 | 15 | — | — | #2,989 |
| 1983 | 14 | — | — | #3,105 |
| 1982 | 18 | — | — | #2,617 |
| 1981 | 15 | — | — | #2,931 |
| 1980 | 22 | — | — | #2,295 |
| 1979 | 11 | — | — | #3,623 |
| 1978 | 12 | — | — | #3,253 |
| 1977 | 8 | — | — | #4,260 |
| 1976 | 10 | — | — | #3,534 |
| 1975 | 7 | — | — | #4,427 |
| 1974 | 11 | — | — | #3,177 |
| 1973 | 9 | — | — | #3,507 |
| 1972 | 6 | — | — | #4,561 |
| 1971 | 9 | — | — | #3,425 |
| 1970 | 12 | — | — | #2,769 |
| 1969 | 7 | — | — | #3,671 |
| 1968 | 9 | — | — | #2,959 |
| 1966 | 8 | — | — | #3,042 |
| 1965 | 5 | — | — | #4,032 |
| 1963 | 7 | — | — | #3,389 |
| 1962 | 5 | — | — | #4,190 |
| 1961 | 6 | — | — | #3,738 |
| 1956 | 5 | — | — | #4,073 |
| 1951 | 6 | — | — | #3,426 |
| 1948 | 7 | — | — | #3,064 |
| 1947 | 8 | — | — | #2,921 |
| 1946 | 6 | — | — | #3,254 |
| 1944 | 9 | — | — | #2,503 |
| 1943 | 5 | — | — | #3,658 |
| 1938 | 6 | — | — | #3,253 |
| 1937 | 10 | — | — | #2,356 |
| 1936 | 5 | — | — | #3,659 |
| 1935 | 7 | — | — | #3,022 |
| 1932 | 8 | — | — | #2,900 |
| 1929 | 7 | — | — | #3,305 |
| 1927 | 7 | — | — | #3,534 |
| 1926 | 6 | — | — | #3,808 |
| 1925 | 5 | — | — | #4,359 |
| 1921 | 6 | — | — | #3,965 |
| 1920 | 8 | — | — | #3,276 |
| 1919 | 5 | — | — | #4,302 |
| 1917 | 5 | — | — | #4,121 |