The baby name Tammi appears in baby name data for the United States from 1957 to 1994. It was most popular in 1968 with 1,041 babies given the name.
In the later years of this period, Tammi has become less common than it once was.
| Year | Count |
|---|---|
| 1957 | 165 |
| 1958 | 395 |
| 1959 | 587 |
| 1960 | 622 |
| 1961 | 702 |
| 1962 | 758 |
| 1963 | 741 |
| 1964 | 731 |
| 1965 | 675 |
| 1966 | 550 |
| 1967 | 677 |
| 1968 | 1,041 |
| 1969 | 968 |
| 1970 | 1,014 |
| 1971 | 918 |
| 1972 | 807 |
| 1973 | 654 |
| 1974 | 491 |
| 1975 | 387 |
| 1976 | 340 |
| 1977 | 264 |
| 1978 | 191 |
| 1979 | 190 |
| 1980 | 205 |
| 1981 | 117 |
| 1982 | 107 |
| 1983 | 68 |
| 1984 | 71 |
| 1985 | 46 |
| 1986 | 35 |
| 1987 | 51 |
| 1988 | 22 |
| 1992 | 5 |
| 1994 | 15 |