The baby name Chas appears in baby name data for the United States from 1910 to 1993. It was most popular in 1915 with 58 babies given the name.
In the later years of this period, Chas has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 5 |
| 1914 | 8 |
| 1915 | 58 |
| 1916 | 32 |
| 1917 | 45 |
| 1918 | 38 |
| 1919 | 17 |
| 1920 | 21 |
| 1921 | 5 |
| 1922 | 5 |
| 1924 | 20 |
| 1925 | 9 |
| 1926 | 5 |
| 1927 | 10 |
| 1977 | 5 |
| 1984 | 10 |
| 1985 | 5 |
| 1986 | 15 |
| 1988 | 8 |
| 1989 | 19 |
| 1990 | 12 |
| 1991 | 14 |
| 1993 | 6 |