The baby name Cyndi appears in baby name data for the United States from 1954 to 1996. It was most popular in 1961 with 155 babies given the name.
In the later years of this period, Cyndi has become less common than it once was.
| Year | Count |
|---|---|
| 1954 | 14 |
| 1956 | 28 |
| 1957 | 56 |
| 1958 | 126 |
| 1959 | 151 |
| 1960 | 112 |
| 1961 | 155 |
| 1962 | 88 |
| 1963 | 39 |
| 1964 | 52 |
| 1965 | 22 |
| 1966 | 21 |
| 1967 | 24 |
| 1968 | 18 |
| 1969 | 29 |
| 1970 | 33 |
| 1971 | 14 |
| 1972 | 15 |
| 1973 | 10 |
| 1974 | 5 |
| 1978 | 5 |
| 1983 | 5 |
| 1984 | 19 |
| 1985 | 46 |
| 1986 | 7 |
| 1987 | 14 |
| 1990 | 6 |
| 1991 | 27 |
| 1996 | 10 |