Tam is a rare variant of Tammy that peaked in 1982 and has since faded.
Tam is predominantly a boy name. In 2025 it ranked #13,669 among boys (5) and #17,015 among girls (5) — overall #17,040 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 10 | 10 | #17,015 | #13,669 |
| 2024 | 6 | 6 | — | #12,185 |
| 2023 | 9 | 9 | #11,082 | — |
| 2022 | 5 | 5 | #17,498 | — |
| 2021 | 11 | 11 | #15,067 | #13,845 |
| 2020 | 16 | 16 | #17,272 | #7,440 |
| 2019 | 14 | 14 | #15,375 | #9,637 |
| 2018 | 22 | 22 | #10,484 | #7,081 |
| 2017 | 16 | 16 | #15,738 | #8,073 |
| 2016 | 21 | 21 | #10,048 | #8,085 |
| 2015 | 19 | 19 | #11,747 | #7,971 |
| 2014 | 20 | 20 | #9,472 | #9,524 |
| 2013 | 18 | 18 | #10,181 | #10,597 |
| 2012 | 22 | 22 | #10,357 | #7,493 |
| 2011 | 11 | 11 | — | #7,449 |
| 2010 | 24 | 24 | #7,482 | #10,623 |
| 2009 | 25 | 25 | #10,605 | #6,391 |
| 2008 | 35 | 35 | #8,073 | #5,041 |
| 2007 | 29 | 29 | #11,547 | #4,964 |
| 2006 | 25 | 25 | #10,546 | #6,059 |
| 2005 | 31 | 31 | #8,822 | #4,800 |
| 2004 | 29 | 29 | #10,604 | #4,580 |
| 2003 | 24 | 24 | #10,358 | #5,517 |
| 2002 | 39 | 39 | #5,650 | #4,473 |
| 2001 | 37 | 37 | #6,043 | #4,449 |
| 2000 | 28 | 28 | #8,489 | #4,761 |
| 1999 | 23 | 23 | #14,245 | #4,316 |
| 1998 | 31 | 31 | #8,517 | #3,691 |
| 1997 | 23 | — | #8,279 | #5,239 |
| 1996 | 33 | — | #7,089 | #3,537 |
| 1995 | 37 | — | #9,469 | #2,673 |
| 1994 | 31 | — | #8,073 | #3,450 |
| 1993 | 37 | — | #9,462 | #2,634 |
| 1992 | 48 | — | #5,456 | #2,458 |
| 1991 | 36 | — | #11,390 | #2,459 |
| 1990 | 51 | — | #6,105 | #2,082 |
| 1989 | 52 | — | #5,261 | #2,065 |
| 1988 | 45 | — | #4,639 | #2,352 |
| 1987 | 46 | — | #5,895 | #1,934 |
| 1986 | 55 | — | #3,878 | #1,870 |
| 1985 | 50 | — | #5,053 | #1,758 |
| 1984 | 59 | — | #4,304 | #1,528 |
| 1983 | 54 | — | #3,793 | #1,744 |
| 1982 | 64 | — | #4,325 | #1,408 |
| 1981 | 43 | — | #5,860 | #1,858 |
| 1980 | 34 | — | #5,216 | #2,525 |
| 1979 | 27 | — | #7,964 | #2,555 |
| 1978 | 14 | — | #9,601 | #4,518 |
| 1977 | 14 | — | #8,338 | #5,064 |
| 1976 | 27 | — | #8,029 | #2,319 |
| 1975 | 17 | — | #10,410 | #3,217 |
| 1974 | 6 | — | #8,620 | — |
| 1973 | 6 | — | #8,302 | — |
| 1972 | 7 | — | #7,193 | — |
| 1968 | 11 | — | #4,459 | — |
| 1967 | 5 | — | #7,723 | — |
| 1966 | 12 | — | #3,929 | — |
| 1965 | 6 | — | #6,448 | — |
| 1964 | 14 | — | #3,676 | — |
| 1963 | 29 | — | #2,243 | — |
| 1962 | 25 | — | #2,456 | — |
| 1961 | 22 | — | #3,176 | #4,595 |
| 1960 | 30 | — | #2,504 | #4,005 |
| 1959 | 37 | — | #1,851 | — |
| 1958 | 42 | — | #1,901 | #3,245 |
| 1957 | 32 | — | #2,638 | #2,479 |
| 1956 | 24 | — | #3,305 | #2,779 |
| 1955 | 12 | — | #3,556 | — |
| 1954 | 8 | — | #4,613 | — |
| 1953 | 5 | — | #6,422 | — |
| 1952 | 13 | — | #3,179 | — |
| 1951 | 5 | — | #6,130 | — |
| 1949 | 9 | — | #3,869 | — |
| 1948 | 7 | — | — | #3,293 |
| 1947 | 5 | — | #6,034 | — |
| 1946 | 5 | — | #5,623 | — |
| 1944 | 5 | — | #5,172 | — |
| 1929 | 5 | — | — | #4,474 |
| 1924 | 5 | — | — | #4,881 |