Cosmo is an uncommon boys' name that has climbed to its highest level yet, peaking in 2022.
Cosmo is predominantly a boy name. In 2025 it ranked #1,934 for boy births in the United States (and #4,115 across all names), given to 80 babies. Cosmo first appears in 1910 and peaked in 2022 (99 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 80 | 80 | — | #1,934 |
| 2024 | 99 | 99 | — | #1,688 |
| 2023 | 94 | 94 | — | #1,749 |
| 2022 | 105 | 105 | #13,984 | #1,708 |
| 2021 | 78 | 78 | — | #1,933 |
| 2020 | 60 | 60 | — | #2,271 |
| 2019 | 49 | 49 | — | #2,631 |
| 2018 | 41 | 41 | — | #2,903 |
| 2017 | 42 | 42 | — | #2,848 |
| 2016 | 21 | 21 | — | #4,652 |
| 2015 | 32 | 32 | — | #3,444 |
| 2014 | 14 | 14 | — | #6,054 |
| 2013 | 20 | 20 | — | #4,651 |
| 2012 | 16 | 16 | — | #5,522 |
| 2011 | 22 | 22 | — | #4,393 |
| 2010 | 25 | 25 | — | #4,013 |
| 2009 | 18 | 18 | — | #5,138 |
| 2008 | 22 | 22 | — | #4,424 |
| 2007 | 19 | 19 | — | #4,843 |
| 2006 | 33 | 33 | — | #3,234 |
| 2005 | 41 | 41 | — | #2,670 |
| 2004 | 26 | 26 | — | #3,548 |
| 2003 | 22 | 22 | — | #3,863 |
| 2002 | 29 | 29 | — | #3,122 |
| 2001 | 22 | 22 | — | #3,736 |
| 2000 | 22 | 22 | — | #3,658 |
| 1999 | 18 | 18 | — | #4,010 |
| 1998 | 19 | 19 | — | #3,729 |
| 1997 | 20 | — | — | #3,478 |
| 1996 | 20 | — | — | #3,425 |
| 1995 | 16 | — | — | #3,893 |
| 1994 | 27 | — | — | #2,701 |
| 1993 | 15 | — | — | #4,055 |
| 1992 | 14 | — | — | #4,141 |
| 1991 | 11 | — | — | #4,821 |
| 1990 | 12 | — | — | #4,453 |
| 1989 | 13 | — | — | #4,066 |
| 1988 | 8 | — | — | #5,286 |
| 1987 | 6 | — | — | #6,256 |
| 1986 | 12 | — | — | #3,687 |
| 1985 | 11 | — | — | #3,843 |
| 1984 | 11 | — | — | #3,747 |
| 1983 | 12 | — | — | #3,446 |
| 1982 | 17 | — | — | #2,729 |
| 1981 | 12 | — | — | #3,455 |
| 1980 | 6 | — | — | #5,661 |
| 1979 | 16 | — | — | #2,798 |
| 1978 | 8 | — | — | #4,229 |
| 1977 | 6 | — | — | #5,247 |
| 1976 | 8 | — | — | #4,076 |
| 1975 | 10 | — | — | #3,487 |
| 1974 | 15 | — | — | #2,576 |
| 1973 | 14 | — | — | #2,626 |
| 1972 | 17 | — | — | #2,262 |
| 1971 | 14 | — | — | #2,586 |
| 1970 | 20 | — | — | #2,009 |
| 1969 | 11 | — | — | #2,723 |
| 1968 | 6 | — | — | #3,767 |
| 1967 | 11 | — | — | #2,501 |
| 1966 | 13 | — | — | #2,240 |
| 1965 | 8 | — | — | #3,030 |
| 1964 | 13 | — | — | #2,328 |
| 1963 | 16 | — | — | #2,057 |
| 1962 | 13 | — | — | #2,297 |
| 1961 | 13 | — | — | #2,340 |
| 1960 | 17 | — | — | #1,981 |
| 1959 | 14 | — | — | #2,217 |
| 1958 | 16 | — | — | #2,039 |
| 1957 | 19 | — | — | #1,844 |
| 1956 | 28 | — | — | #1,488 |
| 1955 | 15 | — | — | #2,067 |
| 1954 | 17 | — | — | #1,905 |
| 1953 | 24 | — | — | #1,557 |
| 1952 | 20 | — | — | #1,714 |
| 1951 | 22 | — | — | #1,605 |
| 1950 | 16 | — | — | #1,896 |
| 1949 | 18 | — | — | #1,770 |
| 1948 | 20 | — | — | #1,663 |
| 1947 | 22 | — | — | #1,611 |
| 1946 | 14 | — | — | #1,968 |
| 1945 | 8 | — | — | #2,605 |
| 1944 | 13 | — | — | #2,010 |
| 1943 | 25 | — | — | #1,408 |
| 1942 | 31 | — | — | #1,250 |
| 1941 | 29 | — | — | #1,237 |
| 1940 | 11 | — | — | #2,210 |
| 1939 | 26 | — | — | #1,301 |
| 1938 | 25 | — | — | #1,343 |
| 1937 | 26 | — | — | #1,313 |
| 1936 | 25 | — | — | #1,331 |
| 1935 | 26 | — | — | #1,333 |
| 1934 | 21 | — | — | #1,517 |
| 1933 | 32 | — | — | #1,165 |
| 1932 | 35 | — | — | #1,143 |
| 1931 | 31 | — | — | #1,240 |
| 1930 | 39 | — | — | #1,119 |
| 1929 | 35 | — | — | #1,180 |
| 1928 | 43 | — | — | #1,059 |
| 1927 | 45 | — | — | #1,044 |
| 1926 | 50 | — | — | #966 |
| 1925 | 50 | — | — | #959 |
| 1924 | 48 | — | — | #1,020 |
| 1923 | 47 | — | — | #1,030 |
| 1922 | 40 | — | — | #1,122 |
| 1921 | 54 | — | — | #954 |
| 1920 | 40 | — | — | #1,123 |
| 1919 | 42 | — | — | #1,050 |
| 1918 | 43 | — | — | #1,032 |
| 1917 | 35 | — | — | #1,136 |
| 1916 | 28 | — | — | #1,270 |
| 1915 | 31 | — | — | #1,164 |
| 1914 | 23 | — | — | #1,232 |
| 1913 | 28 | — | — | #933 |
| 1912 | 11 | — | — | #1,547 |
| 1911 | 7 | — | — | #1,417 |
| 1910 | 6 | — | — | #1,461 |