Justus is an uncommon boys' name that peaked in 2002 and has grown less common since.
Justus is predominantly a boy name. In 2025 it ranked #1,952 among boys (79) and #12,501 among girls (7) — overall #3,921 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 86 | 86 | #12,501 | #1,952 |
| 2024 | 99 | 99 | #10,657 | #1,813 |
| 2023 | 161 | 161 | #7,434 | #1,311 |
| 2022 | 147 | 147 | #14,397 | #1,333 |
| 2021 | 191 | 191 | #6,832 | #1,153 |
| 2020 | 187 | 187 | #6,189 | #1,154 |
| 2019 | 211 | 211 | #6,551 | #1,058 |
| 2018 | 238 | 238 | #5,534 | #966 |
| 2017 | 227 | 227 | #5,439 | #1,001 |
| 2016 | 256 | 256 | #6,281 | #913 |
| 2015 | 287 | 287 | #5,375 | #861 |
| 2014 | 299 | 299 | #6,099 | #819 |
| 2013 | 300 | 300 | #4,701 | #811 |
| 2012 | 314 | 314 | #5,790 | #780 |
| 2011 | 273 | 273 | #6,038 | #851 |
| 2010 | 275 | 275 | #5,506 | #849 |
| 2009 | 321 | 321 | #4,625 | #786 |
| 2008 | 309 | 309 | #4,808 | #790 |
| 2007 | 320 | 320 | #6,682 | #747 |
| 2006 | 319 | 319 | #5,454 | #731 |
| 2005 | 316 | 316 | #3,767 | #731 |
| 2004 | 294 | 294 | #3,944 | #734 |
| 2003 | 257 | 257 | #4,150 | #776 |
| 2002 | 336 | 336 | #3,491 | #647 |
| 2001 | 291 | 291 | #4,144 | #690 |
| 2000 | 290 | 290 | #3,694 | #694 |
| 1999 | 281 | 281 | #4,649 | #665 |
| 1998 | 250 | 250 | #5,462 | #717 |
| 1997 | 254 | — | #5,503 | #685 |
| 1996 | 287 | — | #3,054 | #666 |
| 1995 | 262 | — | #2,811 | #722 |
| 1994 | 201 | — | #3,007 | #841 |
| 1993 | 117 | — | #10,002 | #1,066 |
| 1992 | 87 | — | — | #1,204 |
| 1991 | 60 | — | — | #1,473 |
| 1990 | 43 | — | — | #1,827 |
| 1989 | 38 | — | — | #1,939 |
| 1988 | 29 | — | — | #2,169 |
| 1987 | 41 | — | — | #1,672 |
| 1986 | 23 | — | — | #2,392 |
| 1985 | 42 | — | — | #1,557 |
| 1984 | 30 | — | — | #1,865 |
| 1983 | 54 | — | — | #1,258 |
| 1982 | 46 | — | — | #1,404 |
| 1981 | 41 | — | — | #1,510 |
| 1980 | 52 | — | — | #1,300 |
| 1979 | 37 | — | — | #1,584 |
| 1978 | 39 | — | — | #1,493 |
| 1977 | 36 | — | — | #1,558 |
| 1976 | 39 | — | — | #1,439 |
| 1975 | 34 | — | #9,689 | #1,728 |
| 1974 | 35 | — | — | #1,486 |
| 1973 | 18 | — | — | #2,273 |
| 1972 | 19 | — | — | #2,120 |
| 1971 | 11 | — | — | #3,063 |
| 1970 | 5 | — | — | #5,088 |
| 1969 | 6 | — | — | #4,168 |
| 1967 | 6 | — | — | #3,764 |
| 1966 | 8 | — | — | #3,117 |
| 1965 | 13 | — | — | #2,317 |
| 1964 | 9 | — | — | #2,963 |
| 1963 | 11 | — | — | #2,606 |
| 1961 | 12 | — | — | #2,478 |
| 1959 | 5 | — | — | #4,280 |
| 1958 | 13 | — | — | #2,316 |
| 1957 | 6 | — | — | #3,768 |
| 1956 | 11 | — | — | #2,563 |
| 1955 | 5 | — | — | #4,133 |
| 1954 | 9 | — | — | #2,851 |
| 1953 | 7 | — | — | #3,266 |
| 1952 | 9 | — | — | #2,783 |
| 1951 | 13 | — | — | #2,191 |
| 1950 | 6 | — | — | #3,504 |
| 1949 | 10 | — | — | #2,530 |
| 1948 | 6 | — | — | #3,492 |
| 1947 | 14 | — | — | #2,120 |
| 1946 | 9 | — | — | #2,619 |
| 1945 | 21 | — | — | #1,473 |
| 1944 | 12 | — | — | #2,127 |
| 1943 | 8 | — | — | #2,849 |
| 1942 | 10 | — | — | #2,458 |
| 1941 | 8 | — | — | #2,770 |
| 1940 | 8 | — | — | #2,763 |
| 1939 | 11 | — | — | #2,231 |
| 1938 | 11 | — | — | #2,263 |
| 1937 | 10 | — | — | #2,401 |
| 1936 | 13 | — | — | #2,012 |
| 1935 | 8 | — | — | #2,826 |
| 1934 | 11 | — | — | #2,336 |
| 1933 | 12 | — | — | #2,157 |
| 1932 | 12 | — | — | #2,254 |
| 1931 | 11 | — | — | #2,396 |
| 1930 | 14 | — | — | #2,132 |
| 1929 | 13 | — | — | #2,260 |
| 1928 | 15 | — | — | #2,107 |
| 1927 | 16 | — | — | #2,085 |
| 1926 | 17 | — | — | #1,951 |
| 1925 | 17 | — | — | #1,968 |
| 1924 | 22 | — | — | #1,703 |
| 1923 | 25 | — | — | #1,526 |
| 1922 | 28 | — | — | #1,419 |
| 1921 | 28 | — | — | #1,433 |
| 1920 | 26 | — | — | #1,480 |
| 1919 | 27 | — | — | #1,400 |
| 1918 | 24 | — | — | #1,519 |
| 1917 | 28 | — | — | #1,311 |
| 1916 | 25 | — | — | #1,399 |
| 1915 | 26 | — | — | #1,325 |
| 1914 | 22 | — | — | #1,288 |
| 1913 | 22 | — | — | #1,092 |
| 1912 | 11 | — | — | #1,577 |
| 1911 | 6 | — | — | #1,642 |
| 1910 | 5 | — | — | #1,726 |
| 1903 | 7 | — | — | #962 |
| 1902 | 5 | — | — | #1,227 |
| 1901 | 8 | — | — | #813 |
| 1897 | 5 | — | — | #1,148 |
| 1894 | 5 | — | — | #1,174 |
| 1890 | 5 | — | — | #1,082 |
| 1885 | 6 | — | — | #883 |
| 1884 | 6 | — | — | #918 |
| 1882 | 9 | — | — | #676 |
| 1881 | 5 | — | — | #947 |
| 1880 | 11 | — | — | #589 |