Is Rex a boy or girl name?
Rex is a boy name in the US. In 2024, 0 girls and 316 boys were named Rex, so 0% were girls. Across 1880–2024, 0.2% of the 60,301 US babies named Rex were girls.
- Boy rank, 2024
- #794
- Girl rank, 2024
- Not ranked
- Babies named Rex since 1880
- 60,301
- Most popular year
- 1952
- 1,505 babies
Boys and girls named Rex, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1880s | 183 | 0 | 0% |
| 1890s | 305 | 0 | 0% |
| 1900s | 497 | 0 | 0% |
| 1910s | 3,253 | 0 | 0% |
| 1920s | 5,627 | 33 | 0.6% |
| 1930s | 5,949 | 12 | 0.2% |
| 1940s | 6,669 | 11 | 0.2% |
| 1950s | 13,500 | 44 | 0.3% |
| 1960s | 8,732 | 23 | 0.3% |
| 1970s | 3,360 | 7 | 0.2% |
| 1980s | 2,533 | 11 | 0.4% |
| 1990s | 1,741 | 0 | 0% |
| 2000s | 2,048 | 0 | 0% |
| 2010s | 3,944 | 0 | 0% |
| 2020s | 1,819 | 0 | 0% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 316 | #794 | 0 | – |
| 2023 | 367 | #723 | 0 | – |
| 2022 | 380 | #697 | 0 | – |
| 2021 | 379 | #699 | 0 | – |
| 2020 | 377 | #683 | 0 | – |
| 2019 | 410 | #651 | 0 | – |
| 2018 | 420 | #632 | 0 | – |
| 2017 | 434 | #607 | 0 | – |
| 2016 | 423 | #633 | 0 | – |
| 2015 | 374 | #680 | 0 | – |
| 2014 | 389 | #661 | 0 | – |
| 2013 | 391 | #630 | 0 | – |
| 2012 | 385 | #631 | 0 | – |
| 2011 | 386 | #618 | 0 | – |
| 2010 | 332 | #704 | 0 | – |
| 2009 | 303 | #756 | 0 | – |
| 2008 | 274 | #801 | 0 | – |
| 2007 | 236 | #875 | 0 | – |
| 2006 | 252 | #810 | 0 | – |
| 2005 | 237 | #808 | 0 | – |
| 2004 | 182 | #933 | 0 | – |
| 2003 | 182 | #916 | 0 | – |
| 2002 | 154 | #1,011 | 0 | – |
| 2001 | 116 | #1,184 | 0 | – |
| 2000 | 112 | #1,213 | 0 | – |
| 1999 | 137 | #1,017 | 0 | – |
| 1998 | 151 | #938 | 0 | – |
| 1997 | 152 | #905 | 0 | – |
| 1996 | 139 | #941 | 0 | – |
| 1995 | 158 | #862 | 0 | – |
| 1994 | 167 | #826 | 0 | – |
| 1993 | 178 | #795 | 0 | – |
| 1992 | 207 | #718 | 0 | – |
| 1991 | 220 | #684 | 0 | – |
| 1990 | 232 | #663 | 0 | – |
| 1989 | 224 | #670 | 0 | – |
| 1988 | 247 | #596 | 0 | – |
| 1987 | 231 | #600 | 0 | – |
| 1986 | 232 | #585 | 0 | – |
| 1985 | 261 | #545 | 0 | – |
| 1984 | 258 | #537 | 6 | #10,051 |
| 1983 | 246 | #533 | 0 | – |
| 1982 | 266 | #524 | 0 | – |
| 1981 | 268 | #517 | 0 | – |
| 1980 | 300 | #488 | 5 | #11,691 |
| 1979 | 260 | #525 | 7 | #8,738 |
| 1978 | 255 | #512 | 0 | – |
| 1977 | 291 | #473 | 0 | – |
| 1976 | 283 | #467 | 0 | – |
| 1975 | 296 | #469 | 0 | – |
| 1974 | 297 | #466 | 0 | – |
| 1973 | 325 | #432 | 0 | – |
| 1972 | 373 | #408 | 0 | – |
| 1971 | 473 | #370 | 0 | – |
| 1970 | 507 | #362 | 0 | – |
| 1969 | 478 | #362 | 0 | – |
| 1968 | 514 | #339 | 0 | – |
| 1967 | 581 | #306 | 0 | – |
| 1966 | 718 | #275 | 0 | – |
| 1965 | 787 | #264 | 0 | – |
| 1964 | 957 | #247 | 7 | #5,878 |
| 1963 | 984 | #244 | 0 | – |
| 1962 | 1,132 | #227 | 0 | – |
| 1961 | 1,269 | #219 | 10 | #4,478 |
| 1960 | 1,312 | #215 | 6 | #6,238 |
| 1959 | 1,284 | #216 | 5 | #7,012 |
| 1958 | 1,243 | #213 | 8 | #4,808 |
| 1957 | 1,326 | #203 | 7 | #5,273 |
| 1956 | 1,452 | #193 | 6 | #5,811 |
| 1955 | 1,400 | #191 | 0 | – |
| 1954 | 1,379 | #189 | 5 | #6,439 |
| 1953 | 1,346 | #188 | 6 | #5,533 |
| 1952 | 1,498 | #174 | 7 | #4,831 |
| 1951 | 1,503 | #170 | 0 | – |
| 1950 | 1,069 | #196 | 0 | – |
| 1949 | 959 | #207 | 0 | – |
| 1948 | 903 | #210 | 0 | – |
| 1947 | 846 | #220 | 0 | – |
| 1946 | 662 | #236 | 0 | – |
| 1945 | 485 | #269 | 0 | – |
| 1944 | 574 | #234 | 0 | – |
| 1943 | 614 | #235 | 0 | – |
| 1942 | 521 | #257 | 6 | #4,531 |
| 1941 | 558 | #231 | 0 | – |
| 1940 | 547 | #228 | 5 | #4,897 |
| 1939 | 564 | #216 | 0 | – |
| 1938 | 628 | #202 | 0 | – |
| 1937 | 601 | #203 | 0 | – |
| 1936 | 612 | #201 | 0 | – |
| 1935 | 647 | #198 | 6 | #4,122 |
| 1934 | 631 | #197 | 0 | – |
| 1933 | 626 | #194 | 0 | – |
| 1932 | 580 | #213 | 6 | #4,324 |
| 1931 | 520 | #227 | 0 | – |
| 1930 | 540 | #235 | 0 | – |
| 1929 | 492 | #252 | 0 | – |
| 1928 | 519 | #242 | 6 | #4,616 |
| 1927 | 518 | #251 | 8 | #3,811 |
| 1926 | 552 | #239 | 0 | – |
| 1925 | 553 | #238 | 9 | #3,610 |
| 1924 | 589 | #229 | 5 | #5,743 |
| 1923 | 584 | #225 | 0 | – |
| 1922 | 615 | #216 | 0 | – |
| 1921 | 591 | #226 | 5 | #5,717 |
| 1920 | 614 | #210 | 0 | – |
| 1919 | 523 | #232 | 0 | – |
| 1918 | 509 | #235 | 0 | – |
| 1917 | 471 | #230 | 0 | – |
| 1916 | 461 | #231 | 0 | – |
| 1915 | 401 | #243 | 0 | – |
| 1914 | 334 | #233 | 0 | – |
| 1913 | 243 | #242 | 0 | – |
| 1912 | 164 | #279 | 0 | – |
| 1911 | 82 | #294 | 0 | – |
| 1910 | 65 | #309 | 0 | – |
| 1909 | 68 | #273 | 0 | – |
| 1908 | 64 | #268 | 0 | – |
| 1907 | 48 | #309 | 0 | – |
| 1906 | 61 | #255 | 0 | – |
| 1905 | 46 | #298 | 0 | – |
| 1904 | 33 | #352 | 0 | – |
| 1903 | 43 | #291 | 0 | – |
| 1902 | 46 | #280 | 0 | – |
| 1901 | 29 | #346 | 0 | – |
| 1900 | 59 | #268 | 0 | – |
| 1899 | 29 | #335 | 0 | – |
| 1898 | 39 | #304 | 0 | – |
| 1897 | 31 | #337 | 0 | – |
| 1896 | 35 | #322 | 0 | – |
| 1895 | 34 | #314 | 0 | – |
| 1894 | 30 | #330 | 0 | – |
| 1893 | 25 | #366 | 0 | – |
| 1892 | 28 | #368 | 0 | – |
| 1891 | 24 | #358 | 0 | – |
| 1890 | 30 | #320 | 0 | – |
| 1889 | 23 | #377 | 0 | – |
| 1888 | 28 | #351 | 0 | – |
| 1887 | 28 | #319 | 0 | – |
| 1886 | 26 | #335 | 0 | – |
| 1885 | 17 | #456 | 0 | – |
| 1884 | 13 | #540 | 0 | – |
| 1883 | 15 | #476 | 0 | – |
| 1882 | 13 | #537 | 0 | – |
| 1881 | 7 | #768 | 0 | – |
| 1880 | 13 | #519 | 0 | – |
Highest rank
As a boy name, Rex reached #170 in 1951. As a girl name, it reached #3,610 in 1925. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1950s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Rex
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.