Rex

Last seen for girls in 1984 at #9,144 · #859 for boys in 2025, 281 births
Given to boys 99.8% of the time

Showing
Show data for
Peak · boys
1951 · 1,503 births
Debut · boys
13 births
In top 100 · boys
never
of 146 years
Total births · boys
60,449
since 1880

Rex over time

boys

Rank among boys' names. Rex has never cracked the top 100 here.

#1#10#100#1,000rank188019001920194019601980200020201919peak #170, 1951boys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025—#859281
2024—#785320
2023—#721368
2022—#696380
2021—#698380
2020—#681377
2019—#651410
2018—#631421
2017—#607434
2016—#631423
2015—#679374
2014—#661389
2013—#630391
2012—#631385
2011—#618386
2010—#703332
2009—#755303
2008—#799274
2007—#874236
2006—#809252
2005—#808237
2004—#930182
2003—#913182
2002—#1,008154
2001—#1,178116
2000—#1,208112
1999—#1,017137
1998—#931151
1997—#904152
1996—#935139
1995—#862157
1994—#822167
1993—#794178
1992—#716207
1991—#683220
1990—#662232
1989—#668224
1988—#595247
1987—#599231
1986—#585232
1985—#544261
1984#9,1446#536258
1983—#532246
1982—#524265
1981—#515268
1980#10,3925#488300
1979#8,0617#525260
1978—#512255
1977—#473291
1976—#467283
1975—#469296
1974—#465297
1973—#433324
1972—#407373
1971—#369473
1970—#362507
1969—#361478
1968—#339515
1967—#306581
1966—#275718
1965—#264787
1964#5,4747#247957
1963—#244983
1962—#2271,133
1961#4,23910#2191,269
1960#5,6966#2141,314
1959#6,2455#2161,283
1958#4,5208#2131,243
1957#4,9187#2031,326
1956#5,3256#1931,452
1955—#1911,400
1954#5,7535#1891,380
1953#5,0406#1881,345
1952#4,4837#1741,498
1951—#1701,503
1950—#1961,069
1949—#207959
1948—#210904
1947—#220846
1946—#236662
1945—#269486
1944—#234574
1943—#234614
1942#4,1246#256521
1941—#231558
1940#4,3495#227547
1939—#216564
1938—#202628
1937—#203601
1936—#201612
1935#3,7426#197647
1934—#197631
1933—#194626
1932#3,9016#213580
1931—#227520
1930—#234540
1929—#252492
1928#4,1956#242519
1927#3,5618#250518
1926—#239552
1925#3,3629#238553
1924#5,0615#229589
1923—#225584
1922—#214615
1921#5,0995#226591
1920—#209614
1919—#231523
1918—#235509
1917—#229471
1916—#230461
1915—#242401
1914—#233334
1913—#240243
1912—#278164
1911—#29182
1910—#30465
1909—#26868
1908—#26564
1907—#30748
1906—#25361
1905—#29546
1904—#35133
1903—#29043
1902—#27746
1901—#33429
1900—#26759
1899—#33129
1898—#29839
1897—#33131
1896—#31535
1895—#31034
1894—#32230
1893—#35925
1892—#35728
1891—#34924
1890—#31630
1889—#36923
1888—#34928
1887—#31128
1886—#33226
1885—#43917
1884—#52013
1883—#46015
1882—#51413
1881—#7067
1880—#50513
First appearance
1880

In the first year the SSA published name data, Rex was already there! It came in at #505, and was given to 13 baby boys.


Quietest stretch: 1881, when fewer than 8 boys a year got the name.

Where Rex is popular in 1919

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Rex, so not publishedAKMaine: fewer than 5 boys named Rex, so not publishedMEVermont: fewer than 5 boys named Rex, so not publishedVTNew Hampshire: fewer than 5 boys named Rex, so not publishedNHWashington: #172 for boys · 7 births · 1 in 1,278 boysWAIdaho: #61 for boys · 16 births · 1 in 224 boysIDMontana: #107 for boys · 9 births · 1 in 539 boysMTNorth Dakota: fewer than 5 boys named Rex, so not publishedNDMinnesota: #307 for boys · 6 births · 1 in 3,193 boysMNIllinois: #262 for boys · 18 births · 1 in 2,739 boysILWisconsin: #271 for boys · 7 births · 1 in 2,902 boysWIMichigan: #112 for boys · 41 births · 1 in 709 boysMINew York: #574 for boys · 5 births · 1 in 16,832 boysNYMassachusetts: fewer than 5 boys named Rex, so not publishedMARhode Island: fewer than 5 boys named Rex, so not publishedRIOregon: #134 for boys · 7 births · 1 in 720 boysORNevada: fewer than 5 boys named Rex, so not publishedNVWyoming: #60 for boys · 6 births · 1 in 233 boysWYSouth Dakota: #148 for boys · 7 births · 1 in 815 boysSDIowa: #103 for boys · 37 births · 1 in 502 boysIAIndiana: #108 for boys · 32 births · 1 in 665 boysINOhio: #278 for boys · 12 births · 1 in 3,635 boysOHPennsylvania: #373 for boys · 10 births · 1 in 7,924 boysPANew Jersey: fewer than 5 boys named Rex, so not publishedNJConnecticut: fewer than 5 boys named Rex, so not publishedCTCalifornia: #288 for boys · 8 births · 1 in 2,729 boysCAUtah: #49 for boys · 23 births · 1 in 181 boysUTColorado: #99 for boys · 16 births · 1 in 447 boysCONebraska: #156 for boys · 13 births · 1 in 827 boysNEMissouri: #172 for boys · 22 births · 1 in 1,153 boysMOKentucky: #303 for boys · 9 births · 1 in 2,533 boysKYWest Virginia: #159 for boys · 14 births · 1 in 956 boysWVVirginia: #285 for boys · 8 births · 1 in 2,723 boysVAMaryland: fewer than 5 boys named Rex, so not publishedMDDelaware: fewer than 5 boys named Rex, so not publishedDEArizona: #151 for boys · 5 births · 1 in 653 boysAZNew Mexico: #132 for boys · 6 births · 1 in 530 boysNMKansas: #103 for boys · 27 births · 1 in 518 boysKSArkansas: #147 for boys · 23 births · 1 in 748 boysARTennessee: #193 for boys · 15 births · 1 in 1,459 boysTNNorth Carolina: #224 for boys · 18 births · 1 in 1,702 boysNCSouth Carolina: fewer than 5 boys named Rex, so not publishedSCDistrict of Columbia: fewer than 5 boys named Rex, so not publishedDCOklahoma: #170 for boys · 21 births · 1 in 894 boysOKLouisiana: #337 for boys · 7 births · 1 in 2,555 boysLAMississippi: fewer than 5 boys named Rex, so not publishedMSAlabama: #216 for boys · 17 births · 1 in 1,499 boysALGeorgia: fewer than 5 boys named Rex, so not publishedGAHawaii: fewer than 5 boys named Rex, so not publishedHITexas: #313 for boys · 22 births · 1 in 2,053 boysTXFlorida: #258 for boys · 5 births · 1 in 1,796 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#49 · 1 in 181
  2. Wyoming#60 · 1 in 233
  3. Idaho#61 · 1 in 224
  4. Colorado#99 · 1 in 447
  5. Iowa#103 · 1 in 502

Best ever in a state: #38 in Utah, 1914.

Show every state
StateRankBirthsShare
Utah#49231 in 181
Wyoming#6061 in 233
Idaho#61161 in 224
Colorado#99161 in 447
Iowa#103371 in 502
Kansas#103271 in 518
Montana#10791 in 539
Indiana#108321 in 665
Michigan#112411 in 709
New Mexico#13261 in 530
Oregon#13471 in 720
Arkansas#147231 in 748
South Dakota#14871 in 815
Arizona#15151 in 653
Nebraska#156131 in 827
West Virginia#159141 in 956
Oklahoma#170211 in 894
Missouri#172221 in 1,153
Washington#17271 in 1,278
Tennessee#193151 in 1,459
Alabama#216171 in 1,499
North Carolina#224181 in 1,702
Florida#25851 in 1,796
Illinois#262181 in 2,739
Wisconsin#27171 in 2,902
Ohio#278121 in 3,635
Virginia#28581 in 2,723
California#28881 in 2,729
Kentucky#30391 in 2,533
Minnesota#30761 in 3,193
Texas#313221 in 2,053
Louisiana#33771 in 2,555
Pennsylvania#373101 in 7,924
New York#57451 in 16,832
Alaska———
Connecticut———
Delaware———
District of Columbia———
Georgia———
Hawaii———
Maine———
Maryland———
Massachusetts———
Mississippi———
Nevada———
New Hampshire———
New Jersey———
North Dakota———
Rhode Island———
South Carolina———
Vermont———

Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.

See more about Rex
Momentum · boys
Falling
  • 74 spots since 2024 (#785 → #859)
  • 178 spots since 2020 (#681 → #859)
  • 180 spots since 2015 (#679 → #859)
  • Biggest jump: 192 spots in 1882 (#706 → #514)
  • Biggest drop: 201 spots in 1881 (#505 → #706)
Rise & fade · boys
71 yrs to peak
  • Debuted 1880
  • Peaked 1951 at #170 (1,503 births)
  • Births halved by 1966, 15 yrs later
Top of the charts · boys
Top 1,000 for 142 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 142 yrs · run 1880–1998
Share of babies · boys
1 in 1,253
  • Highest: 1 in 1,253 boys born in 1951 were named Rex (0.08%)
  • Latest: 1 in 6,079 boys born in 2025 (0.02%)
Era · boys
The 1950s
  • 22.3% of all boys named Rex (13,499) were born in this decade
Show by decade
DecadeBirthsBest rankAvg rank
1880s183#311 (1887)#451
1890s305#298 (1898)#329
1900s497#253 (1906)#291
1910s3,253#229 (1917)#251
1920s5,627#209 (1920)#232
1930s5,949#194 (1933)#208
1940s6,671#207 (1949)#232
1950s13,499#170 (1951)#193
1960s8,735#214 (1960)#270
1970s3,359#362 (1970)#448
1980s2,532#488 (1980)#559
1990s1,740#662 (1990)#833
2000s2,048#755 (2009)#928
2010s3,945#607 (2017)#644
2020s2,106#681 (2020)#740

All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.

Rex in 1919

boys
#231
523 births · 1 in 1,874 boys

Top boys' names in 1919

  1. #1John53,522
  2. #2William43,969
  3. #3James42,392
  4. #4Robert41,025
  5. #5Charles25,192
  6. #6George25,170
  7. #7Joseph24,266
  8. #8Edward18,536
  9. #9Frank15,701
  10. #10Thomas13,434
  11. #231Rex523
More about 1919

boys

980,122 boys got a published name in 1919; 1 in 1,874 of them was named Rex, which outranked 95.2% of the 4,810 boys' names that year. The ten most popular names covered 30.9% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #228Carroll530
  2. #229Perry528
  3. #230Juan524
  4. #231Rex523
  5. #231Amos523
  6. #233Eldon517
  7. #234Karl515
  8. #235Junior508

Tied names share a rank, as in SSA's lists.

Biggest movers since 1918
Risers
  1. ↑ 446Quinten#1,313 → #867
  2. ↑ 432Dempsey#1,012 → #580
  3. ↑ 341Winton#1,231 → #890
  4. ↑ 334Donnie#1,211 → #877
  5. ↑ 332Edsel#1,062 → #730
Fallers
  1. ↓ 2,008Foch#869 → #2,877
  2. ↓ 582Carmel#949 → #1,531
  3. ↓ 403Eligah#918 → #1,321
  4. ↓ 398Nels#809 → #1,207
  5. ↓ 355Myer#966 → #1,321

Among names in the top 1,000 of either year.

See the top 100 for 1919 →