Boy

Rex

Meaning not yet researched.

2025 rank
#859
281 boys
2015
#680
rank
1950
#196
rank

Rex: US boys given the name each year, 1880 to 2025, from Social Security card applications. 281 in 2025. Its best rank was #170 in 1951.

US births per year · SSA card applications

Peaked at #170 in 1951; #859 in 2025. Every baby recorded as Rex in 2025 was a boy.

Baby name · US data 1880–2025

#859 for US boys in 2025. Its best year was 1951, at #170.

Babies in 2025
281
Since 1880
60,590
Years on record
146

Babies named Rex, every year since 1880

Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.

Boys

Rex: US boys given the name each year from 1880 to 2025. 281 boys in 2025. Peak: #170 in 1951 · most boys in one year: 1,503 (1951).

About the name Rex

In 2025, 281 US boys were named Rex, making it the 859th most common boys’ name of the year, down 72 places from #787 in 2024. That is 39 fewer than the 320 boys named Rex in 2024. Its best rank for boys was #170, reached in 1951. That year also had the most boys given the name: 1,503. For comparison, it was #680 in 2015 and #196 in 1950.

Social Security card records list Rex in every one of the 146 years from 1880 to 2025; in 1880 there were 13 babies with the name. In all, 60,590 US babies have been given the name, 0.2% of them girls and 99.7% boys. Its busiest decade was the 1950s, with 13,543 babies named Rex.

Over the 10 years from 2016 to 2025, 3,794 US boys were named Rex; the busiest of those years was 2017, with 434. In 2025 that was about 1 in 6,079 of the boys in SSA’s list for the year.

Among the states, Rex ranked highest in Utah in 2025, at #368 for boys there. It was not in the top 100 of any state. Rarer spellings such as Reaux and Rix are summarised on this page.

Meaning

Meaning not yet researched.

We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.

Related spellings

No related spellings pass our data threshold.

Rare spellings summarised here: Reaux (16), Rix (10).

Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.

Nicknames

No nicknames listed for Rex in the open dataset we use.

Source: carltonnorthern/nicknames (Apache-2.0).

Rex by state, 2025

US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 27 are not listed.

StateBirths 2025Rank 2025Rank 2015
Utah13#368#390
Oklahoma8#543—
Arizona12#590#657
Indiana11#614#568
Minnesota8#629#700
Wisconsin7#673—
California40#695#587
Washington9#720#458
Alabama6#747—
Missouri7#772—
Kentucky5#792—
Colorado6#830#624
South Carolina5#849—
Florida17#877#901
Louisiana5#878#695
Texas27#929#547
Michigan7#979#799
Ohio8#995#893
Illinois8#996#770
Tennessee6#1,019#811
Virginia5#1,216#1,108
North Carolina6#1,248#968
Pennsylvania5#1,393#788
New York7#1,537#691

Rank by year

Births and national rank for each year SSA lists the name, newest first.

CSV
YearGirlsGirls rankBoysBoys rank
2025——281#859
2024——320#787
2023——368#722
2022——380#697
2021——380#698
2020——377#683
2019——410#651
2018——421#631
2017——434#607
2016——423#633
2015——374#680
2014——389#661
2013——391#630
2012——385#631
2011——386#618
2010——332#704
2009——303#756
2008——274#801
2007——236#875
2006——252#810
2005——237#808
2004——182#933
2003——182#916
2002——154#1,011
2001——116#1,184
2000——112#1,213
1999——137#1,017
1998——151#938
1997——152#905
1996——139#941
1995——157#869
1994——167#826
1993——178#795
1992——207#718
1991——220#684
1990——232#664
1989——224#670
1988——247#596
1987——231#600
1986——232#585
1985——261#545
19846#10,052258#537
1983——246#533
1982——265#525
1981——268#517
19805#11,690300#488
19797#8,737260#525
1978——255#512
1977——291#473
1976——283#467
1975——296#469
1974——297#466
1973——324#434
1972——373#408
1971——473#370
1970——507#362
1969——478#362
1968——515#339
1967——581#306
1966——718#275
1965——787#264
19647#5,879957#247
1963——983#245
1962——1,133#227
196110#4,4761,269#219
19606#6,2391,314#214
19595#7,0121,283#216
19588#4,8091,243#213
19577#5,2731,326#203
19566#5,8111,452#193
1955——1,400#191
19545#6,4401,380#189
19536#5,5321,345#188
19527#4,8301,498#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#235
19426#4,531521#257
1941——558#231
19405#4,897547#228
1939——564#216
1938——628#202
1937——601#203
1936——612#201
19356#4,122647#198
1934——631#197
1933——626#194
19326#4,324580#213
1931——520#227
1930——540#235
1929——492#252
19286#4,616519#242
19278#3,811518#251
1926——552#239
19259#3,610553#238
19245#5,743589#229
1923——584#225
1922——615#216
19215#5,717591#226
1920——614#210
1919——523#232
1918——509#235
1917——471#230
1916——461#231
1915——401#243
1914——334#233
1913——243#242
1912——164#279
1911——82#294
1910——65#309
1909——68#273
1908——64#268
1907——48#309
1906——61#255
1905——46#298
1904——33#352
1903——43#291
1902——46#280
1901——29#346
1900——59#268
1899——29#335
1898——39#304
1897——31#337
1896——35#322
1895——34#314
1894——30#330
1893——25#366
1892——28#368
1891——24#358
1890——30#320
1889——23#377
1888——28#351
1887——28#319
1886——26#335
1885——17#456
1884——13#540
1883——15#476
1882——13#537
1881——7#768
1880——13#519

About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).