Rex
Boy · REKS · Latin
Rex is a boys' name of Latin origin, meaning “king”. In 2025 it ranked 245th for boys in the UK (221 babies) and 859th for boys in the US (281 babies).
What does Rex mean?
Latin
“king”
Latin for king; in English it has also been used as a short form of Reginald.
- Say it
- REKS
More on Wiktionary.
Is Rex a girl's or a boy's name?
Rex is a boys' name. In 2025, it was given to 221 boys in the UK and 281 boys in the US. Too few girls were given it to be listed.
How popular is Rex in the UK?
- Rank in 2025
- #245among boys
- Babies in 2025
- 221about 1 in 1,400 boys
- Five-year trend
- Fallingdown 38% in five years
- Same name in a class
- 1%chance among 15 boys
In 2025, 221 boys in the UK were named Rex, making it the 245th most popular name for boys. Five years earlier, in 2020, it was 150th. Its busiest year was 2020, with 418 boys.
It has been given to fewer boys each year for the last 4 years. 2025 had fewer boys named Rex than any year since 2014.
Half of all the boys named Rex in the UK since 1996 were born between 2015 and 2021, the years shaded on the chart below.
Among boys in 2025, it was 228th in England and Wales and 647th in Scotland.
Rex in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 221 | #245 |
| 2024 | 237 | #232 |
| 2023 | 263 | #211 |
| 2022 | 325 | #174 |
| 2021 | 418 | #153 |
| 2020 | 418 | #150 |
| 2019 | 368 | #167 |
| 2018 | 370 | #170 |
| 2017 | 347 | #176 |
| 2016 | 339 | #187 |
| 2015 | 274 | #230 |
| 2014 | 188 | #286 |
| 2013 | 134 | #355 |
| 2012 | 90 | #484 |
| 2011 | 77 | #519 |
| 2010 | 54 | #658 |
| 2009 | 46 | #725 |
| 2008 | 41 | #780 |
| 2007 | 39 | #779 |
| 2006 | 28 | #939 |
| 2005 | 26 | #944 |
| 2004 | 19 | #1,110 |
| 2003 | 23 | #923 |
| 2002 | 19 | #988 |
| 2001 | 12 | #1,283 |
| 2000 | 9 | #1,503 |
| 1999 | 4 | #2,513 |
| 1998 | 9 | #1,446 |
| 1997 | 8 | #1,532 |
| 1996 | 9 | #1,394 |
How popular is Rex in the US?
- Rank in 2025
- #859among boys
- Babies in 2025
- 281about 1 in 6,100 boys
- Five-year trend
- Steadydown 20% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 281 boys in the US were named Rex, making it the 859th most popular name for boys. Five years earlier, in 2020, it was 681st. Its busiest year was 1951, with 1,503 boys.
It has been given to fewer boys each year for the last 3 years. 2025 had fewer boys named Rex than any year since 2008.
Half of all the boys named Rex in the US since 1880 were born between 1938 and 1971, the years shaded on the chart below.
Rex in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 281 | #859 |
| 2024 | 320 | #785 |
| 2023 | 368 | #721 |
| 2022 | 380 | #696 |
| 2021 | 380 | #698 |
| 2020 | 377 | #681 |
| 2019 | 410 | #651 |
| 2018 | 421 | #631 |
| 2017 | 434 | #607 |
| 2016 | 423 | #631 |
| 2015 | 374 | #679 |
| 2014 | 389 | #661 |
| 2013 | 391 | #630 |
| 2012 | 385 | #631 |
| 2011 | 386 | #618 |
| 2010 | 332 | #703 |
| 2009 | 303 | #755 |
| 2008 | 274 | #799 |
| 2007 | 236 | #874 |
| 2006 | 252 | #809 |
| 2005 | 237 | #808 |
| 2004 | 182 | #929 |
| 2003 | 182 | #912 |
| 2002 | 154 | #1,007 |
| 2001 | 116 | #1,176 |
| 2000 | 112 | #1,206 |
| 1999 | 137 | #1,015 |
| 1998 | 151 | #930 |
| 1997 | 152 | #902 |
| 1996 | 139 | #933 |
| 1995 | 157 | #859 |
| 1994 | 167 | #820 |
| 1993 | 178 | #792 |
| 1992 | 207 | #714 |
| 1991 | 220 | #679 |
| 1990 | 232 | #660 |
| 1989 | 224 | #665 |
| 1988 | 247 | #595 |
| 1987 | 231 | #599 |
| 1986 | 232 | #585 |
| 1985 | 261 | #544 |
| 1984 | 258 | #536 |
| 1983 | 246 | #532 |
| 1982 | 265 | #524 |
| 1981 | 268 | #515 |
| 1980 | 300 | #488 |
| 1979 | 260 | #525 |
| 1978 | 255 | #512 |
| 1977 | 291 | #473 |
| 1976 | 283 | #467 |
| 1975 | 296 | #469 |
| 1974 | 297 | #465 |
| 1973 | 324 | #433 |
| 1972 | 373 | #407 |
| 1971 | 473 | #369 |
| 1970 | 507 | #362 |
| 1969 | 478 | #361 |
| 1968 | 515 | #339 |
| 1967 | 581 | #306 |
| 1966 | 718 | #275 |
| 1965 | 787 | #264 |
| 1964 | 957 | #247 |
| 1963 | 983 | #244 |
| 1962 | 1,133 | #227 |
| 1961 | 1,269 | #219 |
| 1960 | 1,314 | #214 |
| 1959 | 1,283 | #216 |
| 1958 | 1,243 | #213 |
| 1957 | 1,326 | #203 |
| 1956 | 1,452 | #193 |
| 1955 | 1,400 | #191 |
| 1954 | 1,380 | #189 |
| 1953 | 1,345 | #188 |
| 1952 | 1,498 | #174 |
| 1951 | 1,503 | #170 |
| 1950 | 1,069 | #196 |
| 1949 | 959 | #207 |
| 1948 | 904 | #210 |
| 1947 | 846 | #220 |
| 1946 | 662 | #236 |
| 1945 | 486 | #269 |
| 1944 | 574 | #234 |
| 1943 | 614 | #234 |
| 1942 | 521 | #256 |
| 1941 | 558 | #231 |
| 1940 | 547 | #227 |
| 1939 | 564 | #216 |
| 1938 | 628 | #202 |
| 1937 | 601 | #203 |
| 1936 | 612 | #201 |
| 1935 | 647 | #197 |
| 1934 | 631 | #197 |
| 1933 | 626 | #194 |
| 1932 | 580 | #213 |
| 1931 | 520 | #227 |
| 1930 | 540 | #234 |
| 1929 | 492 | #252 |
| 1928 | 519 | #242 |
| 1927 | 518 | #250 |
| 1926 | 552 | #239 |
| 1925 | 553 | #238 |
| 1924 | 589 | #229 |
| 1923 | 584 | #225 |
| 1922 | 615 | #214 |
| 1921 | 591 | #226 |
| 1920 | 614 | #209 |
| 1919 | 523 | #231 |
| 1918 | 509 | #235 |
| 1917 | 471 | #229 |
| 1916 | 461 | #230 |
| 1915 | 401 | #242 |
| 1914 | 334 | #233 |
| 1913 | 243 | #240 |
| 1912 | 164 | #278 |
| 1911 | 82 | #291 |
| 1910 | 65 | #304 |
| 1909 | 68 | #268 |
| 1908 | 64 | #265 |
| 1907 | 48 | #307 |
| 1906 | 61 | #253 |
| 1905 | 46 | #295 |
| 1904 | 33 | #351 |
| 1903 | 43 | #290 |
| 1902 | 46 | #277 |
| 1901 | 29 | #334 |
| 1900 | 59 | #267 |
| 1899 | 29 | #331 |
| 1898 | 39 | #298 |
| 1897 | 31 | #331 |
| 1896 | 35 | #315 |
| 1895 | 34 | #310 |
| 1894 | 30 | #322 |
| 1893 | 25 | #359 |
| 1892 | 28 | #357 |
| 1891 | 24 | #349 |
| 1890 | 30 | #316 |
| 1889 | 23 | #369 |
| 1888 | 28 | #349 |
| 1887 | 28 | #311 |
| 1886 | 26 | #332 |
| 1885 | 17 | #439 |
| 1884 | 13 | #520 |
| 1883 | 15 | #460 |
| 1882 | 13 | #514 |
| 1881 | 7 | #705 |
| 1880 | 13 | #505 |
Names like Rex
Names given in the same years and the same naming tradition, with a similar sound.
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