The baby name Geralyn appears in baby name data for the United States from 1948 to 1988. It was most popular in 1957 with 399 babies given the name.
In the later years of this period, Geralyn has become less common than it once was.
| Year | Count |
|---|---|
| 1948 | 5 |
| 1950 | 71 |
| 1951 | 100 |
| 1952 | 183 |
| 1953 | 230 |
| 1954 | 220 |
| 1955 | 301 |
| 1956 | 374 |
| 1957 | 399 |
| 1958 | 316 |
| 1959 | 383 |
| 1960 | 289 |
| 1961 | 316 |
| 1962 | 197 |
| 1963 | 180 |
| 1964 | 136 |
| 1965 | 101 |
| 1966 | 59 |
| 1967 | 56 |
| 1968 | 39 |
| 1969 | 29 |
| 1971 | 17 |
| 1973 | 7 |
| 1979 | 12 |
| 1980 | 10 |
| 1987 | 10 |
| 1988 | 5 |