Gareth is an uncommon boys' name that peaked in 2016 and has grown less common since.
Gareth is predominantly a boy name. In 2025 it ranked #2,776 for boy births in the United States (and #5,941 across all names), given to 46 babies. Gareth first appears in 1916 and peaked in 2016 (104 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 46 | 46 | — | #2,776 |
| 2024 | 50 | 50 | — | #2,645 |
| 2023 | 47 | 47 | — | #2,746 |
| 2022 | 55 | 55 | — | #2,501 |
| 2021 | 44 | 44 | — | #2,834 |
| 2020 | 47 | 47 | — | #2,670 |
| 2019 | 58 | 58 | — | #2,350 |
| 2018 | 67 | 67 | — | #2,106 |
| 2017 | 88 | 88 | — | #1,751 |
| 2016 | 104 | 104 | — | #1,580 |
| 2015 | 102 | 102 | — | #1,582 |
| 2014 | 102 | 102 | — | #1,562 |
| 2013 | 53 | 53 | — | #2,376 |
| 2012 | 45 | 45 | — | #2,691 |
| 2011 | 52 | 52 | — | #2,414 |
| 2010 | 49 | 49 | — | #2,525 |
| 2009 | 44 | 44 | — | #2,775 |
| 2008 | 52 | 52 | — | #2,443 |
| 2007 | 54 | 54 | — | #2,387 |
| 2006 | 56 | 56 | — | #2,263 |
| 2005 | 75 | 75 | — | #1,761 |
| 2004 | 66 | 66 | — | #1,862 |
| 2003 | 81 | 81 | — | #1,569 |
| 2002 | 80 | 80 | — | #1,548 |
| 2001 | 71 | 71 | — | #1,650 |
| 2000 | 79 | 79 | — | #1,522 |
| 1999 | 82 | 82 | — | #1,424 |
| 1998 | 73 | 73 | — | #1,505 |
| 1997 | 74 | — | — | #1,459 |
| 1996 | 77 | — | — | #1,379 |
| 1995 | 75 | — | — | #1,363 |
| 1994 | 52 | — | — | #1,722 |
| 1993 | 72 | — | — | #1,349 |
| 1992 | 78 | — | — | #1,282 |
| 1991 | 58 | — | — | #1,511 |
| 1990 | 64 | — | — | #1,400 |
| 1989 | 53 | — | — | #1,540 |
| 1988 | 69 | — | — | #1,231 |
| 1987 | 59 | — | — | #1,274 |
| 1986 | 65 | — | — | #1,175 |
| 1985 | 49 | — | — | #1,395 |
| 1984 | 60 | — | — | #1,180 |
| 1983 | 53 | — | — | #1,267 |
| 1982 | 69 | — | — | #1,098 |
| 1981 | 49 | — | — | #1,345 |
| 1980 | 51 | — | — | #1,318 |
| 1979 | 45 | — | — | #1,396 |
| 1978 | 37 | — | — | #1,547 |
| 1977 | 36 | — | — | #1,551 |
| 1976 | 31 | — | — | #1,686 |
| 1975 | 30 | — | — | #1,674 |
| 1974 | 28 | — | — | #1,717 |
| 1973 | 23 | — | — | #1,897 |
| 1972 | 25 | — | — | #1,788 |
| 1971 | 29 | — | — | #1,647 |
| 1970 | 57 | — | — | #1,085 |
| 1969 | 30 | — | — | #1,476 |
| 1968 | 25 | — | — | #1,594 |
| 1967 | 28 | — | — | #1,458 |
| 1966 | 15 | — | — | #2,079 |
| 1965 | 24 | — | — | #1,606 |
| 1964 | 21 | — | — | #1,755 |
| 1963 | 29 | — | — | #1,465 |
| 1962 | 23 | — | — | #1,684 |
| 1961 | 29 | — | — | #1,502 |
| 1960 | 17 | — | — | #2,001 |
| 1959 | 18 | — | — | #1,932 |
| 1958 | 25 | — | — | #1,567 |
| 1957 | 13 | — | — | #2,306 |
| 1956 | 22 | — | #6,269 | #1,964 |
| 1955 | 20 | — | — | #1,752 |
| 1954 | 20 | — | — | #1,724 |
| 1953 | 19 | — | — | #1,785 |
| 1952 | 28 | — | — | #1,441 |
| 1951 | 24 | — | — | #1,535 |
| 1950 | 28 | — | — | #1,376 |
| 1949 | 30 | — | — | #1,330 |
| 1948 | 25 | — | — | #1,471 |
| 1947 | 33 | — | — | #1,282 |
| 1946 | 25 | — | — | #1,418 |
| 1945 | 26 | — | — | #1,309 |
| 1944 | 28 | — | — | #1,267 |
| 1943 | 39 | — | — | #1,092 |
| 1942 | 28 | — | — | #1,320 |
| 1941 | 25 | — | — | #1,346 |
| 1940 | 33 | — | — | #1,166 |
| 1939 | 21 | — | — | #1,469 |
| 1938 | 30 | — | — | #1,204 |
| 1937 | 22 | — | — | #1,465 |
| 1936 | 21 | — | — | #1,483 |
| 1935 | 25 | — | — | #1,372 |
| 1934 | 18 | — | — | #1,690 |
| 1933 | 12 | — | — | #2,137 |
| 1932 | 14 | — | — | #2,037 |
| 1931 | 14 | — | — | #2,032 |
| 1930 | 9 | — | — | #2,856 |
| 1929 | 10 | — | — | #2,660 |
| 1928 | 16 | — | — | #1,998 |
| 1927 | 15 | — | — | #2,140 |
| 1926 | 16 | — | — | #2,018 |
| 1925 | 14 | — | — | #2,235 |
| 1924 | 9 | — | — | #3,104 |
| 1923 | 17 | — | — | #1,973 |
| 1922 | 21 | — | — | #1,721 |
| 1921 | 33 | — | — | #1,273 |
| 1920 | 5 | — | — | #4,548 |
| 1919 | 7 | — | — | #3,542 |
| 1916 | 5 | — | — | #4,140 |