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#1,000rank188019001920194019601980200020202021peak #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 2021

  • 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: #587 for boys · 11 births · 1 in 3,036 boysWAIdaho: #406 for boys · 5 births · 1 in 1,603 boysIDMontana: fewer than 5 boys named Rex, so not publishedMTNorth Dakota: fewer than 5 boys named Rex, so not publishedNDMinnesota: #590 for boys · 8 births · 1 in 3,142 boysMNIllinois: #723 for boys · 12 births · 1 in 4,492 boysILWisconsin: #699 for boys · 6 births · 1 in 4,054 boysWIMichigan: #580 for boys · 13 births · 1 in 3,305 boysMINew York: #1,048 for boys · 11 births · 1 in 8,103 boysNYMassachusetts: #650 for boys · 6 births · 1 in 4,753 boysMARhode Island: fewer than 5 boys named Rex, so not publishedRIOregon: #545 for boys · 6 births · 1 in 2,650 boysORNevada: fewer than 5 boys named Rex, so not publishedNVWyoming: fewer than 5 boys named Rex, so not publishedWYSouth Dakota: fewer than 5 boys named Rex, so not publishedSDIowa: #504 for boys · 6 births · 1 in 2,343 boysIAIndiana: #760 for boys · 7 births · 1 in 4,680 boysINOhio: #633 for boys · 14 births · 1 in 3,872 boysOHPennsylvania: #728 for boys · 11 births · 1 in 5,041 boysPANew Jersey: fewer than 5 boys named Rex, so not publishedNJConnecticut: fewer than 5 boys named Rex, so not publishedCTCalifornia: #682 for boys · 40 births · 1 in 4,734 boysCAUtah: #278 for boys · 18 births · 1 in 1,067 boysUTColorado: #645 for boys · 7 births · 1 in 3,689 boysCONebraska: #377 for boys · 6 births · 1 in 1,482 boysNEMissouri: #856 for boys · 5 births · 1 in 5,709 boysMOKentucky: fewer than 5 boys named Rex, so not publishedKYWest Virginia: fewer than 5 boys named Rex, so not publishedWVVirginia: #838 for boys · 7 births · 1 in 5,587 boysVAMaryland: #804 for boys · 5 births · 1 in 4,990 boysMDDelaware: fewer than 5 boys named Rex, so not publishedDEArizona: #508 for boys · 13 births · 1 in 2,509 boysAZNew Mexico: fewer than 5 boys named Rex, so not publishedNMKansas: fewer than 5 boys named Rex, so not publishedKSArkansas: #543 for boys · 5 births · 1 in 2,599 boysARTennessee: #738 for boys · 8 births · 1 in 4,480 boysTNNorth Carolina: #1,119 for boys · 6 births · 1 in 8,506 boysNCSouth Carolina: #626 for boys · 6 births · 1 in 3,376 boysSCDistrict of Columbia: fewer than 5 boys named Rex, so not publishedDCOklahoma: #704 for boys · 5 births · 1 in 3,591 boysOKLouisiana: #301 for boys · 18 births · 1 in 1,208 boysLAMississippi: fewer than 5 boys named Rex, so not publishedMSAlabama: #667 for boys · 6 births · 1 in 3,669 boysALGeorgia: #965 for boys · 8 births · 1 in 6,296 boysGAHawaii: fewer than 5 boys named Rex, so not publishedHITexas: #631 for boys · 45 births · 1 in 3,803 boysTXFlorida: #742 for boys · 19 births · 1 in 4,882 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#278 · 1 in 1,067
  2. Louisiana#301 · 1 in 1,208
  3. Nebraska#377 · 1 in 1,482
  4. Idaho#406 · 1 in 1,603
  5. Iowa#504 · 1 in 2,343

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

Show every state
StateRankBirthsShare
Utah#278181 in 1,067
Louisiana#301181 in 1,208
Nebraska#37761 in 1,482
Idaho#40651 in 1,603
Iowa#50461 in 2,343
Arizona#508131 in 2,509
Arkansas#54351 in 2,599
Oregon#54561 in 2,650
Michigan#580131 in 3,305
Washington#587111 in 3,036
Minnesota#59081 in 3,142
South Carolina#62661 in 3,376
Texas#631451 in 3,803
Ohio#633141 in 3,872
Colorado#64571 in 3,689
Massachusetts#65061 in 4,753
Alabama#66761 in 3,669
California#682401 in 4,734
Wisconsin#69961 in 4,054
Oklahoma#70451 in 3,591
Illinois#723121 in 4,492
Pennsylvania#728111 in 5,041
Tennessee#73881 in 4,480
Florida#742191 in 4,882
Indiana#76071 in 4,680
Maryland#80451 in 4,990
Virginia#83871 in 5,587
Missouri#85651 in 5,709
Georgia#96581 in 6,296
New York#1,048111 in 8,103
North Carolina#1,11961 in 8,506
Alaska———
Connecticut———
Delaware———
District of Columbia———
Hawaii———
Kansas———
Kentucky———
Maine———
Mississippi———
Montana———
Nevada———
New Hampshire———
New Jersey———
New Mexico———
North Dakota———
Rhode Island———
South Dakota———
Vermont———
West Virginia———
Wyoming———

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 2021

boys
#698
380 births · 1 in 4,604 boys

Top boys' names in 2021

  1. #1Liam20,424
  2. #2Noah18,919
  3. #3Oliver14,713
  4. #4Elijah12,845
  5. #5James12,474
  6. #6William12,170
  7. #7Benjamin11,895
  8. #8Lucas11,584
  9. #9Henry11,370
  10. #10Theodore9,600
  11. #698Rex380
More about 2021

boys

1,749,482 boys got a published name in 2021; 1 in 4,604 of them was named Rex, which outranked 95.0% of the 14,096 boys' names that year. The ten most popular names covered 7.8% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #694Emir383
  2. #696Kareem382
  3. #696Mohammed382
  4. #698Rex380
  5. #699Rayden379
  6. #700Lee378
  7. #701Louie377
Biggest movers since 2020
Risers
  1. ↑ 536Amiri#1,295 → #759
  2. ↑ 438Eliam#1,177 → #739
  3. ↑ 343Colter#972 → #629
  4. ↑ 333Ozzy#1,046 → #713
  5. ↑ 299Loyal#1,053 → #754
Fallers
  1. ↓ 352Jaxtyn#585 → #937
  2. ↓ 259Karsyn#698 → #957
  3. ↓ 231Xzavier#976 → #1,207
  4. ↓ 208Tristen#846 → #1,054
  5. ↓ 208Willie#992 → #1,200

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

See the top 100 for 2021 →