Chas is an uncommon variant of Chase that peaked in 1915 and has since faded.
Chas is predominantly a boy name. In 2025 it ranked #12,383 for boy births in the United States (and #25,530 across all names), given to 5 babies. Chas was first reported in SSA data in 1880 and peaked in 1915 (99 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | — | #12,383 |
| 2018 | 5 | 5 | — | #12,512 |
| 2016 | 10 | 10 | — | #7,695 |
| 2015 | 7 | 7 | — | #9,743 |
| 2014 | 6 | 6 | — | #10,963 |
| 2013 | 11 | 11 | — | #7,116 |
| 2012 | 10 | 10 | — | #7,648 |
| 2011 | 7 | 7 | — | #9,797 |
| 2010 | 16 | 16 | — | #5,522 |
| 2009 | 13 | 13 | — | #6,494 |
| 2008 | 12 | 12 | — | #6,827 |
| 2007 | 13 | 13 | — | #6,327 |
| 2006 | 14 | 14 | — | #5,835 |
| 2005 | 19 | 19 | — | #4,498 |
| 2004 | 10 | 10 | — | #7,057 |
| 2003 | 22 | 22 | — | #3,855 |
| 2002 | 20 | 20 | — | #4,064 |
| 2001 | 20 | 20 | — | #3,992 |
| 2000 | 37 | 37 | — | #2,535 |
| 1999 | 19 | 19 | — | #3,862 |
| 1998 | 21 | 21 | — | #3,507 |
| 1997 | 20 | — | — | #3,471 |
| 1996 | 33 | — | — | #2,387 |
| 1995 | 42 | — | — | #1,993 |
| 1994 | 40 | — | — | #2,050 |
| 1993 | 38 | — | — | #2,096 |
| 1992 | 44 | — | — | #1,850 |
| 1991 | 57 | — | — | #1,529 |
| 1990 | 56 | — | #13,347 | #1,620 |
| 1989 | 75 | — | — | #1,244 |
| 1988 | 69 | — | — | #1,227 |
| 1987 | 52 | — | — | #1,403 |
| 1986 | 39 | — | — | #1,648 |
| 1985 | 37 | — | — | #1,674 |
| 1984 | 57 | — | — | #1,215 |
| 1983 | 33 | — | — | #1,713 |
| 1982 | 28 | — | — | #1,937 |
| 1981 | 32 | — | — | #1,774 |
| 1980 | 32 | — | — | #1,771 |
| 1979 | 30 | — | — | #1,838 |
| 1978 | 24 | — | — | #2,022 |
| 1977 | 25 | — | — | #1,955 |
| 1976 | 17 | — | — | #2,523 |
| 1975 | 16 | — | — | #2,551 |
| 1974 | 11 | — | — | #3,165 |
| 1973 | 10 | — | — | #3,263 |
| 1972 | 19 | — | — | #2,093 |
| 1971 | 9 | — | — | #3,408 |
| 1970 | 9 | — | — | #3,315 |
| 1969 | 6 | — | — | #4,014 |
| 1967 | 5 | — | — | #4,050 |
| 1965 | 5 | — | — | #3,996 |
| 1962 | 5 | — | — | #4,133 |
| 1959 | 5 | — | — | #4,078 |
| 1957 | 6 | — | — | #3,625 |
| 1953 | 5 | — | — | #3,897 |
| 1944 | 7 | — | — | #2,905 |
| 1943 | 10 | — | — | #2,431 |
| 1942 | 7 | — | — | #2,974 |
| 1940 | 8 | — | — | #2,701 |
| 1939 | 5 | — | — | #3,566 |
| 1938 | 5 | — | — | #3,604 |
| 1937 | 8 | — | — | #2,711 |
| 1936 | 10 | — | — | #2,320 |
| 1935 | 9 | — | — | #2,561 |
| 1934 | 8 | — | — | #2,780 |
| 1932 | 13 | — | — | #2,116 |
| 1931 | 10 | — | — | #2,506 |
| 1930 | 11 | — | — | #2,470 |
| 1929 | 10 | — | — | #2,629 |
| 1928 | 24 | — | — | #1,527 |
| 1927 | 42 | — | — | #1,100 |
| 1926 | 43 | — | — | #1,065 |
| 1925 | 56 | — | — | #905 |
| 1924 | 55 | — | — | #944 |
| 1923 | 34 | — | — | #1,238 |
| 1922 | 46 | — | — | #1,041 |
| 1921 | 47 | — | — | #1,020 |
| 1920 | 64 | — | — | #846 |
| 1919 | 66 | — | #4,944 | #840 |
| 1918 | 79 | — | — | #712 |
| 1917 | 72 | — | — | #728 |
| 1916 | 70 | — | — | #716 |
| 1915 | 99 | — | — | #570 |
| 1914 | 64 | — | — | #633 |
| 1913 | 41 | — | — | #723 |
| 1912 | 44 | — | — | #625 |
| 1911 | 25 | — | — | #612 |
| 1910 | 21 | — | — | #640 |
| 1909 | 16 | — | — | #687 |
| 1908 | 19 | — | — | #592 |
| 1907 | 28 | — | — | #440 |
| 1906 | 25 | — | — | #443 |
| 1905 | 13 | — | — | #672 |
| 1904 | 26 | — | — | #409 |
| 1903 | 19 | — | — | #487 |
| 1902 | 27 | — | — | #381 |
| 1901 | 20 | — | — | #424 |
| 1900 | 26 | — | — | #448 |
| 1899 | 13 | — | — | #555 |
| 1898 | 24 | — | — | #404 |
| 1897 | 21 | — | — | #414 |
| 1896 | 18 | — | — | #485 |
| 1895 | 16 | — | — | #506 |
| 1894 | 23 | — | — | #388 |
| 1893 | 20 | — | — | #403 |
| 1892 | 26 | — | — | #376 |
| 1891 | 18 | — | — | #413 |
| 1890 | 29 | — | — | #322 |
| 1889 | 32 | — | — | #305 |
| 1888 | 33 | — | — | #312 |
| 1887 | 38 | — | — | #263 |
| 1886 | 40 | — | — | #267 |
| 1885 | 37 | — | — | #274 |
| 1884 | 39 | — | — | #271 |
| 1883 | 38 | — | — | #265 |
| 1882 | 46 | — | — | #248 |
| 1881 | 39 | — | — | #252 |
| 1880 | 53 | — | — | #222 |