Vasilios is a rare boys' name that peaked in 1975 and has grown less common since.
Vasilios is a boy name. In 2025 it ranked #5,377 for boy births in the United States (and #11,341 across all names), given to 18 babies. Vasilios first appears in 1923 and peaked in 1975 (45 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 18 | 18 | #5,377 |
| 2024 | 15 | 15 | #6,166 |
| 2023 | 12 | 12 | #7,265 |
| 2022 | 13 | 13 | #6,792 |
| 2021 | 13 | 13 | #6,660 |
| 2020 | 14 | 14 | #6,267 |
| 2019 | 8 | 8 | #9,679 |
| 2018 | 17 | 17 | #5,530 |
| 2017 | 24 | 24 | #4,321 |
| 2016 | 25 | 25 | #4,188 |
| 2015 | 25 | 25 | #4,168 |
| 2014 | 21 | 21 | #4,689 |
| 2013 | 18 | 18 | #5,155 |
| 2012 | 21 | 21 | #4,672 |
| 2011 | 24 | 24 | #4,210 |
| 2010 | 19 | 19 | #5,033 |
| 2009 | 27 | 27 | #3,913 |
| 2008 | 26 | 26 | #4,034 |
| 2007 | 23 | 23 | #4,360 |
| 2006 | 27 | 27 | #3,775 |
| 2005 | 28 | 28 | #3,522 |
| 2004 | 20 | 20 | #4,408 |
| 2003 | 24 | 24 | #3,725 |
| 2002 | 17 | 17 | #4,693 |
| 2001 | 22 | 22 | #3,837 |
| 2000 | 24 | 24 | #3,532 |
| 1999 | 30 | 30 | #2,859 |
| 1998 | 30 | 30 | #2,778 |
| 1997 | 21 | — | #3,448 |
| 1996 | 21 | — | #3,398 |
| 1995 | 22 | — | #3,185 |
| 1994 | 25 | — | #2,943 |
| 1993 | 29 | — | #2,573 |
| 1992 | 21 | — | #3,211 |
| 1991 | 23 | — | #2,908 |
| 1990 | 28 | — | #2,484 |
| 1989 | 33 | — | #2,148 |
| 1988 | 27 | — | #2,301 |
| 1987 | 26 | — | #2,268 |
| 1986 | 25 | — | #2,282 |
| 1985 | 29 | — | #2,014 |
| 1984 | 22 | — | #2,360 |
| 1983 | 31 | — | #1,818 |
| 1982 | 33 | — | #1,770 |
| 1981 | 31 | — | #1,863 |
| 1980 | 38 | — | #1,591 |
| 1979 | 31 | — | #1,830 |
| 1978 | 28 | — | #1,869 |
| 1977 | 26 | — | #1,946 |
| 1976 | 37 | — | #1,500 |
| 1975 | 45 | — | #1,301 |
| 1974 | 38 | — | #1,407 |
| 1973 | 36 | — | #1,432 |
| 1972 | 27 | — | #1,719 |
| 1971 | 23 | — | #1,912 |
| 1970 | 24 | — | #1,844 |
| 1969 | 23 | — | #1,764 |
| 1968 | 16 | — | #2,103 |
| 1967 | 16 | — | #2,025 |
| 1966 | 11 | — | #2,617 |
| 1965 | 14 | — | #2,265 |
| 1964 | 7 | — | #3,587 |
| 1963 | 6 | — | #4,030 |
| 1962 | 9 | — | #3,028 |
| 1960 | 7 | — | #3,647 |
| 1923 | 6 | — | #4,207 |