The baby name Cassy appears in baby name data for the United States from 1972 to 1999. It was most popular in 1986 with 72 babies given the name.
Over the period shown, Cassy has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1972 | 5 |
| 1979 | 5 |
| 1980 | 13 |
| 1982 | 22 |
| 1983 | 59 |
| 1984 | 25 |
| 1985 | 25 |
| 1986 | 72 |
| 1987 | 44 |
| 1988 | 43 |
| 1990 | 5 |
| 1991 | 5 |
| 1992 | 34 |
| 1994 | 10 |
| 1996 | 10 |
| 1997 | 16 |
| 1999 | 25 |