Marius is an uncommon boys' name that peaked in 2004 and has grown less common since.
Marius is a boy name. In 2025 it ranked #2,555 for boy births in the United States (and #5,514 across all names), given to 52 babies. Marius first appears in 1881 and peaked in 2004 (80 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 52 | 52 | #2,555 |
| 2024 | 57 | 57 | #2,435 |
| 2023 | 33 | 33 | #3,526 |
| 2022 | 50 | 50 | #2,664 |
| 2021 | 58 | 58 | #2,364 |
| 2020 | 65 | 65 | #2,160 |
| 2019 | 59 | 59 | #2,328 |
| 2018 | 67 | 67 | #2,112 |
| 2017 | 67 | 67 | #2,081 |
| 2016 | 68 | 68 | #2,078 |
| 2015 | 61 | 61 | #2,220 |
| 2014 | 47 | 47 | #2,605 |
| 2013 | 69 | 69 | #2,003 |
| 2012 | 58 | 58 | #2,253 |
| 2011 | 60 | 60 | #2,191 |
| 2010 | 57 | 57 | #2,280 |
| 2009 | 64 | 64 | #2,133 |
| 2008 | 74 | 74 | #1,944 |
| 2007 | 68 | 68 | #2,047 |
| 2006 | 57 | 57 | #2,238 |
| 2005 | 69 | 69 | #1,863 |
| 2004 | 80 | 80 | #1,623 |
| 2003 | 79 | 79 | #1,604 |
| 2002 | 50 | 50 | #2,142 |
| 2001 | 28 | 28 | #3,196 |
| 2000 | 30 | 30 | #2,965 |
| 1999 | 25 | 25 | #3,248 |
| 1998 | 24 | 24 | #3,260 |
| 1997 | 34 | — | #2,427 |
| 1996 | 27 | — | #2,804 |
| 1995 | 32 | — | #2,429 |
| 1994 | 19 | — | #3,544 |
| 1993 | 21 | — | #3,208 |
| 1992 | 25 | — | #2,789 |
| 1991 | 24 | — | #2,796 |
| 1990 | 26 | — | #2,590 |
| 1989 | 18 | — | #3,283 |
| 1988 | 15 | — | #3,461 |
| 1987 | 15 | — | #3,288 |
| 1986 | 17 | — | #2,965 |
| 1985 | 17 | — | #2,905 |
| 1984 | 22 | — | #2,340 |
| 1983 | 18 | — | #2,632 |
| 1982 | 16 | — | #2,924 |
| 1981 | 21 | — | #2,385 |
| 1980 | 23 | — | #2,260 |
| 1979 | 23 | — | #2,208 |
| 1978 | 28 | — | #1,853 |
| 1977 | 24 | — | #2,040 |
| 1976 | 36 | — | #1,524 |
| 1975 | 18 | — | #2,411 |
| 1974 | 22 | — | #2,028 |
| 1973 | 18 | — | #2,286 |
| 1972 | 33 | — | #1,494 |
| 1971 | 22 | — | #1,963 |
| 1970 | 25 | — | #1,775 |
| 1969 | 13 | — | #2,502 |
| 1968 | 5 | — | #4,520 |
| 1967 | 9 | — | #2,905 |
| 1965 | 13 | — | #2,332 |
| 1964 | 8 | — | #3,185 |
| 1963 | 10 | — | #2,793 |
| 1962 | 16 | — | #2,091 |
| 1961 | 7 | — | #3,559 |
| 1960 | 8 | — | #3,243 |
| 1959 | 10 | — | #2,760 |
| 1958 | 9 | — | #2,954 |
| 1957 | 11 | — | #2,590 |
| 1956 | 8 | — | #3,112 |
| 1955 | 11 | — | #2,512 |
| 1954 | 11 | — | #2,549 |
| 1953 | 5 | — | #4,159 |
| 1952 | 6 | — | #3,601 |
| 1951 | 5 | — | #4,057 |
| 1950 | 13 | — | #2,165 |
| 1949 | 5 | — | #4,029 |
| 1944 | 5 | — | #3,736 |
| 1942 | 7 | — | #3,108 |
| 1941 | 7 | — | #3,034 |
| 1939 | 11 | — | #2,248 |
| 1937 | 10 | — | #2,420 |
| 1935 | 10 | — | #2,484 |
| 1933 | 9 | — | #2,662 |
| 1932 | 10 | — | #2,569 |
| 1931 | 8 | — | #3,009 |
| 1930 | 8 | — | #3,186 |
| 1928 | 12 | — | #2,478 |
| 1927 | 9 | — | #3,067 |
| 1926 | 6 | — | #4,025 |
| 1925 | 9 | — | #3,056 |
| 1924 | 8 | — | #3,407 |
| 1923 | 12 | — | #2,549 |
| 1922 | 8 | — | #3,437 |
| 1921 | 7 | — | #3,749 |
| 1920 | 11 | — | #2,707 |
| 1919 | 7 | — | #3,619 |
| 1918 | 14 | — | #2,232 |
| 1917 | 12 | — | #2,376 |
| 1916 | 10 | — | #2,666 |
| 1915 | 7 | — | #3,269 |
| 1914 | 8 | — | #2,570 |
| 1913 | 10 | — | #1,896 |
| 1912 | 11 | — | #1,587 |
| 1882 | 5 | — | #1,039 |
| 1881 | 5 | — | #964 |