The baby name Gwenn appears in baby name data for the United States from 1939 to 1979. It was most popular in 1955 with 39 babies given the name.
Over the period shown, Gwenn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1939 | 6 |
| 1945 | 5 |
| 1950 | 6 |
| 1952 | 12 |
| 1953 | 16 |
| 1954 | 7 |
| 1955 | 39 |
| 1956 | 6 |
| 1957 | 21 |
| 1958 | 24 |
| 1959 | 18 |
| 1960 | 21 |
| 1961 | 5 |
| 1962 | 5 |
| 1964 | 8 |
| 1965 | 13 |
| 1966 | 11 |
| 1979 | 5 |