Cyd is a rare girls' name that was most common in the 1950s and has all but disappeared.
Cyd is a girl name. It last appears in U.S. records in 1977. Cyd was first reported in SSA data in 1947 and peaked in 1954 (45 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1977 | 5 | — | #9,929 |
| 1976 | 9 | — | #6,148 |
| 1974 | 6 | — | #7,889 |
| 1972 | 10 | — | #5,176 |
| 1971 | 18 | — | #3,540 |
| 1970 | 11 | — | #4,811 |
| 1969 | 14 | — | #3,818 |
| 1968 | 15 | — | #3,478 |
| 1967 | 18 | — | #2,984 |
| 1966 | 17 | — | #3,060 |
| 1965 | 28 | — | #2,260 |
| 1964 | 26 | — | #2,421 |
| 1963 | 19 | — | #2,885 |
| 1962 | 21 | — | #2,675 |
| 1961 | 20 | — | #2,771 |
| 1960 | 29 | — | #2,158 |
| 1959 | 21 | — | #2,527 |
| 1958 | 28 | — | #2,124 |
| 1957 | 27 | — | #2,127 |
| 1956 | 37 | — | #1,741 |
| 1955 | 23 | — | #2,289 |
| 1954 | 45 | — | #1,510 |
| 1953 | 21 | — | #2,310 |
| 1952 | 31 | — | #1,787 |
| 1951 | 9 | — | #3,766 |
| 1950 | 14 | — | #2,799 |
| 1949 | 20 | — | #2,224 |
| 1948 | 6 | — | #4,778 |
| 1947 | 8 | — | #4,060 |