Marx is a rare boys' name that peaked in 2015 and has grown less common since.
Marx is predominantly a boy name. In 2025 it ranked #13,228 for boy births in the United States (and #27,204 across all names), given to 5 babies. Marx was first reported in SSA data in 1915 and peaked in 2015 (16 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | — | #13,228 |
| 2023 | 9 | 9 | — | #8,682 |
| 2022 | 6 | 6 | — | #11,783 |
| 2019 | 7 | 7 | — | #10,434 |
| 2018 | 11 | 11 | — | #7,447 |
| 2016 | 5 | 5 | — | #13,498 |
| 2015 | 16 | 16 | — | #5,648 |
| 2013 | 8 | 8 | — | #9,363 |
| 2012 | 6 | 6 | — | #11,750 |
| 2011 | 5 | 5 | — | #13,625 |
| 2009 | 6 | 6 | — | #11,941 |
| 2008 | 5 | 5 | — | #13,876 |
| 2007 | 6 | 6 | — | #11,852 |
| 2006 | 5 | 5 | — | #13,315 |
| 2005 | 5 | 5 | — | #12,672 |
| 2003 | 6 | 6 | — | #10,419 |
| 2001 | 6 | 6 | — | #10,087 |
| 1998 | 5 | 5 | — | #10,706 |
| 1992 | 6 | — | — | #8,092 |
| 1989 | 5 | — | — | #8,774 |
| 1988 | 6 | — | — | #6,962 |
| 1987 | 7 | — | — | #5,874 |
| 1982 | 5 | — | — | #7,001 |
| 1977 | 8 | — | — | #4,441 |
| 1976 | 5 | — | — | #6,162 |
| 1975 | 7 | — | — | #4,620 |
| 1974 | 8 | — | — | #4,057 |
| 1969 | 8 | — | — | #3,486 |
| 1968 | 8 | — | — | #3,275 |
| 1965 | 9 | — | — | #2,913 |
| 1964 | 6 | — | — | #3,886 |
| 1963 | 5 | — | — | #4,423 |
| 1962 | 8 | — | — | #3,212 |
| 1961 | 6 | — | — | #3,911 |
| 1958 | 5 | — | — | #4,305 |
| 1955 | 7 | — | — | #3,391 |
| 1951 | 5 | — | — | #4,063 |
| 1949 | 6 | — | — | #3,571 |
| 1946 | 5 | — | — | #3,836 |
| 1941 | 6 | — | — | #3,374 |
| 1938 | 5 | — | — | #3,856 |
| 1935 | 5 | — | — | #3,979 |
| 1934 | 5 | — | — | #4,012 |
| 1926 | 7 | — | — | #3,603 |
| 1924 | 6 | — | — | #4,172 |
| 1923 | 5 | — | — | #4,647 |
| 1922 | 6 | — | #4,823 | — |
| 1921 | 6 | — | — | #4,168 |
| 1920 | 8 | — | — | #3,391 |
| 1917 | 5 | — | — | #4,351 |
| 1916 | 7 | — | — | #3,387 |
| 1915 | 7 | — | — | #3,273 |