The baby name Penni appears in baby name data for the United States from 1944 to 1987. It was most popular in 1963 with 100 babies given the name.
In the later years of this period, Penni has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1944 | 10 |
| 1950 | 5 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 7 |
| 1955 | 10 |
| 1956 | 25 |
| 1957 | 19 |
| 1958 | 35 |
| 1959 | 91 |
| 1960 | 52 |
| 1961 | 82 |
| 1962 | 91 |
| 1963 | 100 |
| 1964 | 70 |
| 1965 | 73 |
| 1966 | 55 |
| 1967 | 68 |
| 1968 | 31 |
| 1969 | 19 |
| 1970 | 35 |
| 1971 | 16 |
| 1987 | 12 |