Cass is a rare variant of Casey that peaked in 1989 and has grown less common since.
Cass is predominantly a boy name. In 2025 it ranked #5,068 for boy births in the United States (and #10,696 across all names), given to 19 babies. Cass first appears in 1881 and peaked in 1989 (43 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 19 | 19 | — | #5,068 |
| 2024 | 18 | 18 | — | #5,276 |
| 2023 | 16 | 16 | — | #5,699 |
| 2022 | 23 | 23 | — | #4,459 |
| 2021 | 34 | 34 | — | #3,370 |
| 2020 | 24 | 24 | — | #4,162 |
| 2019 | 24 | 24 | — | #4,248 |
| 2018 | 20 | 20 | — | #4,771 |
| 2017 | 33 | 33 | #16,363 | #3,789 |
| 2016 | 29 | 29 | — | #3,701 |
| 2015 | 20 | 20 | — | #4,744 |
| 2014 | 23 | 23 | — | #4,282 |
| 2013 | 11 | 11 | — | #7,112 |
| 2012 | 12 | 12 | — | #6,688 |
| 2011 | 24 | 24 | — | #4,126 |
| 2010 | 30 | 30 | — | #3,547 |
| 2009 | 24 | 24 | — | #4,181 |
| 2008 | 20 | 20 | — | #4,741 |
| 2007 | 19 | 19 | — | #4,835 |
| 2006 | 14 | 14 | — | #5,829 |
| 2005 | 16 | 16 | — | #5,074 |
| 2004 | 16 | 16 | — | #5,048 |
| 2003 | 15 | 15 | #16,229 | #6,804 |
| 2002 | 13 | 13 | — | #5,445 |
| 2001 | 13 | 13 | — | #5,425 |
| 2000 | 17 | 17 | — | #4,426 |
| 1999 | 13 | 13 | — | #5,076 |
| 1998 | 15 | 15 | — | #4,445 |
| 1997 | 17 | — | — | #3,905 |
| 1996 | 15 | — | — | #4,208 |
| 1995 | 19 | — | #13,781 | #4,310 |
| 1994 | 14 | — | — | #4,325 |
| 1993 | 14 | — | — | #4,256 |
| 1992 | 19 | — | — | #3,350 |
| 1991 | 39 | — | #13,490 | #2,148 |
| 1990 | 35 | — | #11,635 | #2,378 |
| 1989 | 43 | — | — | #1,771 |
| 1988 | 26 | — | — | #2,313 |
| 1987 | 34 | — | #11,558 | #2,063 |
| 1986 | 31 | — | — | #1,928 |
| 1985 | 23 | — | — | #2,304 |
| 1984 | 23 | — | — | #2,242 |
| 1983 | 39 | — | #6,286 | #1,867 |
| 1982 | 11 | — | — | #3,726 |
| 1981 | 19 | — | #9,283 | #3,244 |
| 1980 | 14 | — | — | #3,119 |
| 1979 | 25 | — | #10,420 | #2,391 |
| 1978 | 15 | — | — | #2,811 |
| 1977 | 26 | — | #7,661 | #2,377 |
| 1976 | 23 | — | #9,490 | #2,432 |
| 1975 | 18 | — | — | #2,377 |
| 1974 | 10 | — | — | #3,355 |
| 1973 | 22 | — | #7,550 | #2,416 |
| 1972 | 28 | — | #8,448 | #1,875 |
| 1971 | 32 | — | — | #1,530 |
| 1970 | 34 | — | #5,880 | #1,709 |
| 1969 | 31 | — | #6,725 | #1,646 |
| 1968 | 19 | — | #5,699 | #2,462 |
| 1967 | 22 | — | #6,924 | #1,915 |
| 1966 | 22 | — | — | #1,656 |
| 1965 | 15 | — | — | #2,100 |
| 1964 | 21 | — | — | #1,739 |
| 1963 | 18 | — | — | #1,910 |
| 1962 | 22 | — | — | #1,716 |
| 1961 | 28 | — | — | #1,524 |
| 1960 | 42 | — | — | #1,211 |
| 1959 | 24 | — | — | #1,630 |
| 1958 | 26 | — | #4,962 | #1,849 |
| 1957 | 20 | — | #6,191 | #2,106 |
| 1956 | 16 | — | #6,077 | #2,516 |
| 1955 | 12 | — | — | #2,321 |
| 1954 | 29 | — | #4,329 | #1,672 |
| 1953 | 22 | — | — | #1,639 |
| 1952 | 18 | — | — | #1,812 |
| 1951 | 16 | — | — | #1,917 |
| 1950 | 12 | — | — | #2,231 |
| 1949 | 24 | — | #4,291 | #1,829 |
| 1948 | 14 | — | — | #2,044 |
| 1947 | 5 | — | — | #3,798 |
| 1946 | 17 | — | — | #1,771 |
| 1945 | 6 | — | — | #3,034 |
| 1944 | 7 | — | — | #2,902 |
| 1943 | 8 | — | — | #2,761 |
| 1942 | 9 | — | — | #2,554 |
| 1940 | 6 | — | — | #3,182 |
| 1939 | 7 | — | — | #2,871 |
| 1938 | 5 | — | — | #3,596 |
| 1935 | 7 | — | — | #3,002 |
| 1933 | 5 | — | — | #3,723 |
| 1932 | 5 | — | — | #3,855 |
| 1931 | 9 | — | — | #2,688 |
| 1930 | 5 | — | — | #4,082 |
| 1928 | 5 | — | — | #4,246 |
| 1927 | 6 | — | — | #3,839 |
| 1926 | 13 | — | — | #2,318 |
| 1925 | 8 | — | — | #3,189 |
| 1924 | 9 | — | — | #3,056 |
| 1923 | 12 | — | — | #2,468 |
| 1922 | 10 | — | — | #2,836 |
| 1921 | 12 | — | — | #2,514 |
| 1920 | 6 | — | — | #3,892 |
| 1919 | 7 | — | — | #3,452 |
| 1918 | 11 | — | — | #2,572 |
| 1917 | 12 | — | — | #2,306 |
| 1916 | 15 | — | — | #1,972 |
| 1915 | 11 | — | — | #2,331 |
| 1914 | 5 | — | — | #3,332 |
| 1913 | 5 | — | — | #2,891 |
| 1912 | 7 | — | — | #2,080 |
| 1910 | 6 | — | — | #1,447 |
| 1906 | 5 | — | — | #1,273 |
| 1904 | 7 | — | — | #982 |
| 1900 | 5 | — | — | #1,347 |
| 1897 | 6 | — | — | #962 |
| 1884 | 6 | — | — | #871 |
| 1881 | 7 | — | — | #719 |