The baby name Brett appears in baby name data for the United States from 1942 to 2024. It was most popular in 1986 with 5,905 babies given the name.
In the later years of this period, Brett has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1942 | 5 |
| 1946 | 13 |
| 1947 | 45 |
| 1948 | 83 |
| 1949 | 117 |
| 1950 | 150 |
| 1951 | 187 |
| 1952 | 226 |
| 1953 | 236 |
| 1954 | 423 |
| 1955 | 574 |
| 1956 | 459 |
| 1957 | 692 |
| 1958 | 2,638 |
| 1959 | 2,752 |
| 1960 | 2,862 |
| 1961 | 2,401 |
| 1962 | 3,009 |
| 1963 | 3,378 |
| 1964 | 6 |
| 1964 | 3,093 |
| 1965 | 2,992 |
| 1966 | 5 |
| 1966 | 3,074 |
| 1967 | 6 |
| 1967 | 3,316 |
| 1968 | 6 |
| 1968 | 3,416 |
| 1969 | 10 |
| 1969 | 3,888 |
| 1970 | 9 |
| 1970 | 3,968 |
| 1971 | 3,951 |
| 1972 | 4,016 |
| 1973 | 6 |
| 1973 | 3,537 |
| 1974 | 22 |
| 1974 | 3,092 |
| 1975 | 16 |
| 1975 | 3,174 |
| 1976 | 23 |
| 1976 | 2,927 |
| 1977 | 33 |
| 1977 | 3,274 |
| 1978 | 25 |
| 1978 | 2,797 |
| 1979 | 37 |
| 1979 | 3,693 |
| 1980 | 26 |
| 1980 | 3,815 |
| 1981 | 13 |
| 1981 | 4,218 |
| 1982 | 31 |
| 1982 | 4,600 |
| 1983 | 22 |
| 1983 | 4,774 |
| 1984 | 23 |
| 1984 | 4,482 |
| 1985 | 33 |
| 1985 | 4,623 |
| 1986 | 157 |
| 1986 | 5,905 |
| 1987 | 70 |
| 1987 | 4,820 |
| 1988 | 29 |
| 1988 | 4,731 |
| 1989 | 59 |
| 1989 | 4,828 |
| 1990 | 23 |
| 1990 | 4,739 |
| 1991 | 5 |
| 1991 | 4,518 |
| 1992 | 5 |
| 1992 | 4,415 |
| 1993 | 5 |
| 1993 | 4,214 |
| 1994 | 57 |
| 1994 | 4,106 |
| 1995 | 49 |
| 1995 | 4,242 |
| 1996 | 30 |
| 1996 | 4,129 |
| 1997 | 3,768 |
| 1998 | 8 |
| 1998 | 3,339 |
| 1999 | 3,404 |
| 2000 | 2,676 |
| 2001 | 2,209 |
| 2002 | 2,098 |
| 2003 | 1,948 |
| 2004 | 9 |
| 2004 | 1,781 |
| 2005 | 1,648 |
| 2006 | 1,319 |
| 2007 | 1,062 |
| 2008 | 1,228 |
| 2009 | 827 |
| 2010 | 841 |
| 2011 | 505 |
| 2012 | 485 |
| 2013 | 385 |
| 2014 | 415 |
| 2015 | 359 |
| 2016 | 386 |
| 2017 | 361 |
| 2018 | 322 |
| 2019 | 265 |
| 2020 | 177 |
| 2021 | 196 |
| 2022 | 179 |
| 2023 | 127 |
| 2024 | 168 |