Nicasio is a very rare boys' name that peaked in 1998 and has since faded.
Nicasio is a boy name. In 2025 it ranked #13,331 for boy births in the United States (and #27,458 across all names), given to 5 babies. Nicasio first appears in 1928 and peaked in 1998 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 5 | 5 | #13,331 |
| 2022 | 9 | 9 | #8,789 |
| 2021 | 6 | 6 | #11,730 |
| 2020 | 7 | 7 | #10,277 |
| 2019 | 7 | 7 | #10,490 |
| 2018 | 5 | 5 | #13,545 |
| 2017 | 6 | 6 | #11,779 |
| 2016 | 9 | 9 | #8,617 |
| 2013 | 5 | 5 | #13,484 |
| 2012 | 8 | 8 | #9,460 |
| 2011 | 8 | 8 | #9,362 |
| 2010 | 8 | 8 | #9,419 |
| 2008 | 7 | 7 | #10,695 |
| 2007 | 5 | 5 | #13,824 |
| 2006 | 5 | 5 | #13,430 |
| 2005 | 5 | 5 | #12,777 |
| 2004 | 10 | 10 | #7,372 |
| 2003 | 7 | 7 | #9,331 |
| 2002 | 7 | 7 | #9,107 |
| 2001 | 8 | 8 | #8,089 |
| 2000 | 7 | 7 | #8,849 |
| 1999 | 8 | 8 | #7,660 |
| 1998 | 13 | 13 | #5,098 |
| 1996 | 5 | — | #10,071 |
| 1995 | 5 | — | #9,862 |
| 1991 | 9 | — | #5,804 |
| 1990 | 5 | — | #9,089 |
| 1989 | 8 | — | #6,050 |
| 1988 | 8 | — | #5,566 |
| 1987 | 9 | — | #4,842 |
| 1986 | 6 | — | #6,483 |
| 1985 | 6 | — | #6,283 |
| 1982 | 8 | — | #4,872 |
| 1980 | 5 | — | #6,966 |
| 1979 | 5 | — | #6,742 |
| 1977 | 5 | — | #6,544 |
| 1975 | 6 | — | #5,261 |
| 1974 | 5 | — | #5,760 |
| 1970 | 5 | — | #5,227 |
| 1969 | 7 | — | #3,826 |
| 1968 | 6 | — | #3,997 |
| 1957 | 6 | — | #3,848 |
| 1952 | 5 | — | #4,109 |
| 1928 | 5 | — | #4,558 |