Total babies named Gwenlyn (all years): 139
| Year | Girls (count / rank / %) |
|---|---|
| 1964 | 6 / #6275 / 0.000% |
| 1962 | 5 / #6928 / 0.000% |
| 1959 | 5 / #6604 / 0.000% |
| 1957 | 7 / #5080 / 0.000% |
| 1955 | 6 / #5444 / 0.000% |
| 1954 | 9 / #4081 / 0.000% |
| 1953 | 6 / #5274 / 0.000% |
| 1951 | 6 / #5068 / 0.000% |
| 1950 | 7 / #4473 / 0.000% |
| 1949 | 9 / #3722 / 0.001% |
| Year | Girls (count / rank / %) |
|---|---|
| 1948 | 7 / #4347 / 0.000% |
| 1947 | 9 / #3833 / 0.001% |
| 1946 | 8 / #3792 / 0.001% |
| 1943 | 9 / #3339 / 0.001% |
| 1942 | 5 / #4907 / 0.000% |
| 1941 | 7 / #3725 / 0.001% |
| 1940 | 6 / #4051 / 0.001% |
| 1939 | 8 / #3254 / 0.001% |
| 1937 | 8 / #3265 / 0.001% |
| 1934 | 6 / #4003 / 0.001% |