The baby name Jann appears in baby name data for the United States from 1949 to 1970. It was most popular in 1954 with 103 babies given the name.
In the later years of this period, Jann has become less common than it once was.
| Year | Count |
|---|---|
| 1949 | 5 |
| 1950 | 48 |
| 1951 | 75 |
| 1952 | 73 |
| 1953 | 91 |
| 1954 | 103 |
| 1955 | 66 |
| 1956 | 79 |
| 1957 | 39 |
| 1958 | 36 |
| 1959 | 43 |
| 1960 | 35 |
| 1961 | 31 |
| 1962 | 10 |
| 1964 | 15 |
| 1965 | 5 |
| 1966 | 10 |
| 1970 | 5 |