The baby name Tammy appears in baby name data for the United States from 1944 to 2024. It was most popular in 1968 with 25,832 babies given the name.
In the later years of this period, Tammy has become less common than it once was.
| Year | Count |
|---|---|
| 1944 | 10 |
| 1946 | 5 |
| 1947 | 60 |
| 1948 | 28 |
| 1949 | 49 |
| 1950 | 66 |
| 1951 | 64 |
| 1952 | 113 |
| 1953 | 133 |
| 1954 | 166 |
| 1955 | 195 |
| 1956 | 255 |
| 1957 | 5,426 |
| 1958 | 12,592 |
| 1958 | 37 |
| 1959 | 17,560 |
| 1960 | 18,780 |
| 1961 | 20,694 |
| 1962 | 22,369 |
| 1962 | 20 |
| 1963 | 25,019 |
| 1964 | 25,686 |
| 1964 | 32 |
| 1965 | 22,928 |
| 1966 | 23,617 |
| 1966 | 8 |
| 1967 | 23,686 |
| 1967 | 24 |
| 1968 | 25,832 |
| 1968 | 16 |
| 1969 | 24,523 |
| 1969 | 17 |
| 1970 | 25,104 |
| 1970 | 33 |
| 1971 | 22,711 |
| 1971 | 14 |
| 1972 | 18,068 |
| 1972 | 11 |
| 1973 | 13,667 |
| 1974 | 11,454 |
| 1974 | 10 |
| 1975 | 9,176 |
| 1975 | 5 |
| 1976 | 7,567 |
| 1977 | 6,660 |
| 1977 | 15 |
| 1978 | 5,224 |
| 1979 | 4,665 |
| 1980 | 3,807 |
| 1981 | 3,097 |
| 1982 | 2,587 |
| 1983 | 2,001 |
| 1984 | 1,735 |
| 1985 | 1,366 |
| 1986 | 1,231 |
| 1987 | 1,021 |
| 1988 | 818 |
| 1989 | 650 |
| 1990 | 507 |
| 1991 | 496 |
| 1992 | 420 |
| 1993 | 311 |
| 1994 | 266 |
| 1995 | 198 |
| 1996 | 137 |
| 1997 | 201 |
| 1998 | 212 |
| 1999 | 114 |
| 2000 | 86 |
| 2001 | 108 |
| 2002 | 106 |
| 2003 | 94 |
| 2004 | 96 |
| 2005 | 102 |
| 2006 | 92 |
| 2007 | 47 |
| 2008 | 109 |
| 2009 | 47 |
| 2010 | 52 |
| 2012 | 10 |
| 2013 | 15 |
| 2014 | 11 |
| 2015 | 26 |
| 2016 | 39 |
| 2017 | 33 |
| 2018 | 6 |
| 2019 | 14 |
| 2020 | 20 |
| 2021 | 5 |
| 2023 | 14 |
| 2024 | 5 |