The baby name Deneen appears in baby name data for the United States from 1960 to 1984. It was most popular in 1964 with 1,905 babies given the name.
In the later years of this period, Deneen has become less common than it once was.
| Year | Count |
|---|---|
| 1960 | 5 |
| 1964 | 1,905 |
| 1965 | 413 |
| 1966 | 187 |
| 1967 | 130 |
| 1968 | 104 |
| 1969 | 67 |
| 1970 | 58 |
| 1971 | 62 |
| 1972 | 16 |
| 1973 | 10 |
| 1974 | 7 |
| 1975 | 20 |
| 1976 | 11 |
| 1977 | 12 |
| 1978 | 10 |
| 1980 | 7 |
| 1982 | 21 |
| 1983 | 16 |
| 1984 | 5 |