Barnett is a rare boys' name that was most common in the 1920s and has all but disappeared.
Barnett is predominantly a boy name. It last appears in U.S. records in 2015. Barnett was first reported in SSA data in 1880 and peaked in 1923 (36 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2015 | 5 | 5 | — | #12,290 |
| 2013 | 5 | 5 | — | #12,357 |
| 2009 | 5 | 5 | — | #12,699 |
| 1991 | 5 | — | — | #8,328 |
| 1990 | 6 | — | — | #7,262 |
| 1989 | 5 | — | — | #8,009 |
| 1987 | 7 | — | — | #5,516 |
| 1984 | 5 | — | — | #6,410 |
| 1983 | 6 | — | — | #5,546 |
| 1982 | 13 | — | — | #3,307 |
| 1981 | 7 | — | — | #5,000 |
| 1980 | 8 | — | — | #4,535 |
| 1979 | 6 | — | — | #5,417 |
| 1976 | 7 | — | — | #4,472 |
| 1975 | 7 | — | — | #4,362 |
| 1973 | 6 | — | — | #4,553 |
| 1971 | 7 | — | — | #3,998 |
| 1970 | 11 | — | — | #2,909 |
| 1969 | 11 | — | — | #2,698 |
| 1967 | 7 | — | — | #3,259 |
| 1966 | 11 | — | — | #2,478 |
| 1964 | 14 | — | — | #2,216 |
| 1963 | 13 | — | — | #2,310 |
| 1962 | 14 | — | — | #2,199 |
| 1961 | 14 | — | — | #2,246 |
| 1960 | 19 | — | — | #1,862 |
| 1959 | 10 | — | — | #2,673 |
| 1958 | 13 | — | — | #2,268 |
| 1957 | 21 | — | — | #1,753 |
| 1956 | 19 | — | — | #1,830 |
| 1955 | 18 | — | — | #1,847 |
| 1954 | 19 | — | — | #1,768 |
| 1953 | 14 | — | — | #2,105 |
| 1952 | 21 | — | — | #1,668 |
| 1951 | 16 | — | — | #1,911 |
| 1950 | 21 | — | — | #1,617 |
| 1949 | 19 | — | — | #1,709 |
| 1948 | 24 | — | — | #1,489 |
| 1947 | 17 | — | — | #1,854 |
| 1946 | 24 | — | — | #1,441 |
| 1945 | 15 | — | — | #1,778 |
| 1944 | 29 | — | — | #1,235 |
| 1943 | 17 | — | — | #1,769 |
| 1942 | 27 | — | — | #1,336 |
| 1941 | 14 | — | — | #1,914 |
| 1940 | 24 | — | — | #1,371 |
| 1939 | 15 | — | — | #1,799 |
| 1938 | 18 | — | — | #1,617 |
| 1937 | 17 | — | — | #1,694 |
| 1936 | 17 | — | — | #1,643 |
| 1935 | 16 | — | — | #1,765 |
| 1934 | 12 | — | — | #2,130 |
| 1933 | 15 | — | — | #1,836 |
| 1932 | 23 | — | — | #1,467 |
| 1931 | 16 | — | — | #1,852 |
| 1930 | 14 | — | — | #2,089 |
| 1929 | 23 | — | — | #1,526 |
| 1928 | 14 | — | — | #2,167 |
| 1927 | 19 | — | — | #1,802 |
| 1926 | 21 | — | — | #1,666 |
| 1925 | 22 | — | — | #1,630 |
| 1924 | 17 | — | #4,512 | #2,663 |
| 1923 | 36 | — | — | #1,198 |
| 1922 | 29 | — | — | #1,368 |
| 1921 | 28 | — | — | #1,416 |
| 1920 | 29 | — | — | #1,350 |
| 1919 | 18 | — | — | #1,815 |
| 1918 | 22 | — | — | #1,602 |
| 1917 | 35 | — | — | #1,133 |
| 1916 | 32 | — | — | #1,159 |
| 1915 | 19 | — | — | #1,608 |
| 1914 | 35 | — | — | #935 |
| 1913 | 19 | — | — | #1,174 |
| 1912 | 17 | — | — | #1,139 |
| 1911 | 9 | — | — | #1,197 |
| 1910 | 9 | — | — | #1,124 |
| 1909 | 5 | — | — | #1,469 |
| 1907 | 5 | — | — | #1,360 |
| 1906 | 6 | — | — | #1,126 |
| 1903 | 6 | — | — | #1,018 |
| 1900 | 5 | — | — | #1,328 |
| 1899 | 9 | — | — | #723 |
| 1898 | 6 | — | — | #1,013 |
| 1897 | 6 | — | — | #946 |
| 1896 | 5 | — | — | #1,116 |
| 1894 | 5 | — | — | #1,092 |
| 1880 | 5 | — | — | #923 |