Kennith is an established variant of Kenneth that peaked in 1956 and has since faded.
Kennith is predominantly a boy name. In 2025 it ranked #11,374 for boy births in the United States (and #23,439 across all names), given to 6 babies. Kennith was first reported in SSA data in 1904 and peaked in 1956 (234 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 6 | 6 | — | #11,374 |
| 2024 | 7 | 7 | — | #10,431 |
| 2023 | 8 | 8 | — | #9,375 |
| 2022 | 8 | 8 | — | #9,449 |
| 2021 | 13 | 13 | — | #6,514 |
| 2020 | 7 | 7 | — | #10,113 |
| 2019 | 13 | 13 | — | #6,612 |
| 2018 | 20 | 20 | — | #4,847 |
| 2017 | 16 | 16 | — | #5,669 |
| 2016 | 9 | 9 | — | #8,504 |
| 2015 | 5 | 5 | — | #13,106 |
| 2014 | 19 | 19 | — | #4,978 |
| 2013 | 18 | 18 | — | #5,082 |
| 2012 | 27 | 27 | — | #3,843 |
| 2011 | 31 | 31 | — | #3,478 |
| 2010 | 20 | 20 | — | #4,769 |
| 2009 | 22 | 22 | — | #4,512 |
| 2008 | 28 | 28 | — | #3,788 |
| 2007 | 27 | 27 | — | #3,847 |
| 2006 | 45 | 45 | — | #2,643 |
| 2005 | 36 | 36 | — | #2,931 |
| 2004 | 32 | 32 | — | #3,119 |
| 2003 | 31 | 31 | — | #3,079 |
| 2002 | 27 | 27 | — | #3,310 |
| 2001 | 37 | 37 | — | #2,595 |
| 2000 | 40 | 40 | — | #2,408 |
| 1999 | 43 | 43 | — | #2,186 |
| 1998 | 36 | 36 | — | #2,425 |
| 1997 | 60 | — | — | #1,661 |
| 1996 | 53 | — | — | #1,755 |
| 1995 | 39 | — | — | #2,122 |
| 1994 | 54 | — | — | #1,682 |
| 1993 | 56 | — | — | #1,609 |
| 1992 | 66 | — | — | #1,407 |
| 1991 | 63 | — | — | #1,439 |
| 1990 | 61 | — | — | #1,444 |
| 1989 | 88 | — | — | #1,136 |
| 1988 | 75 | — | — | #1,168 |
| 1987 | 79 | — | — | #1,084 |
| 1986 | 59 | — | — | #1,263 |
| 1985 | 90 | — | — | #964 |
| 1984 | 71 | — | — | #1,063 |
| 1983 | 55 | — | — | #1,246 |
| 1982 | 84 | — | — | #983 |
| 1981 | 81 | — | — | #1,012 |
| 1980 | 54 | — | — | #1,263 |
| 1979 | 88 | — | — | #940 |
| 1978 | 59 | — | — | #1,161 |
| 1977 | 78 | — | — | #972 |
| 1976 | 77 | — | — | #954 |
| 1975 | 96 | — | — | #852 |
| 1974 | 100 | — | — | #804 |
| 1973 | 80 | — | — | #895 |
| 1972 | 108 | — | — | #768 |
| 1971 | 135 | — | — | #712 |
| 1970 | 143 | — | #8,626 | #708 |
| 1969 | 155 | — | — | #638 |
| 1968 | 145 | — | — | #629 |
| 1967 | 146 | — | — | #622 |
| 1966 | 156 | — | — | #599 |
| 1965 | 175 | — | — | #577 |
| 1964 | 211 | — | — | #542 |
| 1963 | 186 | — | — | #583 |
| 1962 | 219 | — | — | #537 |
| 1961 | 211 | — | — | #545 |
| 1960 | 197 | — | — | #560 |
| 1959 | 223 | — | — | #528 |
| 1958 | 201 | — | — | #544 |
| 1957 | 219 | — | — | #520 |
| 1956 | 234 | — | — | #495 |
| 1955 | 206 | — | — | #512 |
| 1954 | 191 | — | — | #529 |
| 1953 | 190 | — | — | #512 |
| 1952 | 210 | — | — | #486 |
| 1951 | 204 | — | — | #474 |
| 1950 | 186 | — | — | #493 |
| 1949 | 199 | — | — | #466 |
| 1948 | 215 | — | — | #455 |
| 1947 | 194 | — | — | #480 |
| 1946 | 175 | — | — | #484 |
| 1945 | 158 | — | — | #477 |
| 1944 | 149 | — | — | #498 |
| 1943 | 142 | — | — | #532 |
| 1942 | 178 | — | — | #467 |
| 1941 | 141 | — | — | #492 |
| 1940 | 192 | — | — | #423 |
| 1939 | 155 | — | — | #464 |
| 1938 | 151 | — | — | #473 |
| 1937 | 171 | — | — | #434 |
| 1936 | 126 | — | — | #508 |
| 1935 | 133 | — | — | #496 |
| 1934 | 122 | — | — | #532 |
| 1933 | 133 | — | — | #487 |
| 1932 | 108 | — | — | #573 |
| 1931 | 107 | — | — | #571 |
| 1930 | 98 | — | — | #623 |
| 1929 | 80 | — | — | #692 |
| 1928 | 88 | — | — | #674 |
| 1927 | 73 | — | — | #771 |
| 1926 | 66 | — | — | #817 |
| 1925 | 75 | — | — | #762 |
| 1924 | 67 | — | — | #829 |
| 1923 | 57 | — | — | #907 |
| 1922 | 49 | — | — | #1,015 |
| 1921 | 59 | — | — | #915 |
| 1920 | 55 | — | — | #934 |
| 1919 | 36 | — | — | #1,179 |
| 1918 | 32 | — | — | #1,245 |
| 1917 | 27 | — | — | #1,351 |
| 1916 | 30 | — | — | #1,229 |
| 1915 | 25 | — | — | #1,357 |
| 1914 | 11 | — | — | #2,043 |
| 1913 | 13 | — | — | #1,545 |
| 1912 | 10 | — | — | #1,688 |
| 1911 | 6 | — | — | #1,646 |
| 1907 | 6 | — | — | #1,268 |
| 1904 | 5 | — | — | #1,308 |