Thayer is a rare boys' name that peaked in 2017 and has grown less common since.
Thayer is predominantly a boy name. In 2025 it ranked #6,106 for boy births in the United States (and #12,849 across all names), given to 15 babies. Thayer first appears in 1912 and peaked in 2014 (52 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 15 | 15 | — | #6,106 |
| 2024 | 23 | 23 | — | #4,556 |
| 2023 | 20 | 20 | — | #5,046 |
| 2022 | 20 | 20 | — | #4,997 |
| 2021 | 27 | 27 | — | #3,992 |
| 2020 | 16 | 16 | — | #5,671 |
| 2019 | 49 | 49 | — | #2,654 |
| 2018 | 49 | 49 | #13,678 | #2,886 |
| 2017 | 52 | 52 | #15,757 | #2,709 |
| 2016 | 45 | 45 | — | #2,722 |
| 2015 | 52 | 52 | — | #2,456 |
| 2014 | 52 | 52 | — | #2,458 |
| 2013 | 44 | 44 | — | #2,710 |
| 2012 | 36 | 36 | — | #3,166 |
| 2011 | 20 | 20 | — | #4,806 |
| 2010 | 18 | 18 | — | #5,227 |
| 2009 | 15 | 15 | — | #6,054 |
| 2008 | 12 | 12 | — | #7,142 |
| 2007 | 16 | 16 | — | #5,643 |
| 2006 | 13 | 13 | — | #6,421 |
| 2005 | 16 | 16 | — | #5,254 |
| 2004 | 10 | 10 | — | #7,470 |
| 2003 | 18 | 18 | #13,738 | #6,675 |
| 2002 | 14 | 14 | — | #5,369 |
| 2001 | 18 | 18 | #15,195 | #5,976 |
| 2000 | 16 | 16 | — | #4,763 |
| 1999 | 14 | 14 | — | #5,007 |
| 1998 | 10 | 10 | — | #6,259 |
| 1997 | 11 | — | — | #5,613 |
| 1996 | 13 | — | — | #4,852 |
| 1995 | 14 | — | — | #4,485 |
| 1994 | 16 | — | — | #4,070 |
| 1993 | 11 | — | — | #5,321 |
| 1992 | 12 | — | — | #4,835 |
| 1991 | 10 | — | — | #5,477 |
| 1990 | 20 | — | — | #3,158 |
| 1989 | 15 | — | — | #3,792 |
| 1988 | 10 | — | — | #4,747 |
| 1987 | 14 | — | #13,106 | #4,923 |
| 1986 | 10 | — | #12,696 | #7,719 |
| 1985 | 6 | — | — | #6,459 |
| 1984 | 19 | — | #10,313 | #3,440 |
| 1983 | 8 | — | — | #4,863 |
| 1982 | 5 | — | — | #7,277 |
| 1981 | 9 | — | — | #4,464 |
| 1980 | 11 | — | — | #3,820 |
| 1979 | 7 | — | — | #5,313 |
| 1978 | 6 | — | #9,648 | — |
| 1977 | 9 | — | — | #4,132 |
| 1976 | 10 | — | #10,773 | #6,415 |
| 1975 | 8 | — | — | #4,278 |
| 1974 | 7 | — | — | #4,587 |
| 1973 | 8 | — | — | #4,024 |
| 1972 | 11 | — | — | #3,136 |
| 1971 | 6 | — | — | #4,866 |
| 1970 | 11 | — | — | #3,053 |
| 1969 | 12 | — | — | #2,671 |
| 1968 | 6 | — | — | #4,102 |
| 1967 | 8 | — | — | #3,211 |
| 1966 | 10 | — | — | #2,769 |
| 1965 | 12 | — | — | #2,462 |
| 1964 | 7 | — | — | #3,571 |
| 1963 | 13 | — | — | #2,402 |
| 1962 | 15 | — | #6,505 | #3,020 |
| 1961 | 12 | — | #7,447 | #3,628 |
| 1958 | 6 | — | — | #3,903 |
| 1957 | 9 | — | — | #3,002 |
| 1956 | 7 | — | — | #3,510 |
| 1954 | 5 | — | — | #4,315 |
| 1953 | 6 | — | — | #3,766 |
| 1951 | 8 | — | — | #3,042 |
| 1950 | 7 | — | — | #3,290 |
| 1949 | 5 | — | — | #4,152 |
| 1948 | 8 | — | — | #2,987 |
| 1947 | 5 | — | #6,050 | — |
| 1946 | 15 | — | #5,631 | #2,524 |
| 1944 | 8 | — | — | #2,844 |
| 1943 | 5 | — | — | #3,993 |
| 1942 | 9 | — | — | #2,693 |
| 1941 | 8 | — | — | #2,855 |
| 1940 | 8 | — | — | #2,844 |
| 1939 | 6 | — | — | #3,452 |
| 1938 | 9 | — | — | #2,631 |
| 1936 | 11 | — | #4,795 | #3,509 |
| 1935 | 7 | — | — | #3,232 |
| 1934 | 7 | — | — | #3,247 |
| 1933 | 9 | — | — | #2,718 |
| 1931 | 6 | — | — | #3,719 |
| 1930 | 8 | — | — | #3,263 |
| 1929 | 12 | — | — | #2,443 |
| 1927 | 5 | — | — | #4,734 |
| 1926 | 9 | — | — | #3,118 |
| 1925 | 8 | — | — | #3,373 |
| 1924 | 12 | — | — | #2,622 |
| 1923 | 5 | — | — | #4,817 |
| 1922 | 10 | — | — | #2,988 |
| 1921 | 8 | — | — | #3,480 |
| 1920 | 10 | — | — | #2,941 |
| 1919 | 11 | — | — | #2,647 |
| 1918 | 17 | — | — | #1,987 |
| 1917 | 10 | — | — | #2,712 |
| 1916 | 9 | — | — | #2,907 |
| 1915 | 8 | — | — | #3,044 |
| 1914 | 5 | — | — | #3,709 |
| 1913 | 8 | — | — | #2,251 |
| 1912 | 6 | — | — | #2,511 |