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#1,000rank188019001920194019601980200020201942peak #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 1942

  • 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: fewer than 5 boys named Rex, so not publishedWAIdaho: #153 for boys · 6 births · 1 in 807 boysIDMontana: fewer than 5 boys named Rex, so not publishedMTNorth Dakota: fewer than 5 boys named Rex, so not publishedNDMinnesota: fewer than 5 boys named Rex, so not publishedMNIllinois: #194 for boys · 36 births · 1 in 2,053 boysILWisconsin: fewer than 5 boys named Rex, so not publishedWIMichigan: #194 for boys · 26 births · 1 in 2,227 boysMINew York: #557 for boys · 6 births · 1 in 19,649 boysNYMassachusetts: fewer than 5 boys named Rex, so not publishedMARhode Island: fewer than 5 boys named Rex, so not publishedRIOregon: #158 for boys · 10 births · 1 in 1,022 boysORNevada: fewer than 5 boys named Rex, so not publishedNVWyoming: #87 for boys · 6 births · 1 in 345 boysWYSouth Dakota: fewer than 5 boys named Rex, so not publishedSDIowa: #152 for boys · 21 births · 1 in 1,090 boysIAIndiana: #116 for boys · 44 births · 1 in 778 boysINOhio: #214 for boys · 26 births · 1 in 2,627 boysOHPennsylvania: #393 for boys · 9 births · 1 in 10,357 boysPANew Jersey: fewer than 5 boys named Rex, so not publishedNJConnecticut: fewer than 5 boys named Rex, so not publishedCTCalifornia: #217 for boys · 38 births · 1 in 1,922 boysCAUtah: #70 for boys · 22 births · 1 in 317 boysUTColorado: #206 for boys · 7 births · 1 in 1,520 boysCONebraska: #208 for boys · 6 births · 1 in 1,787 boysNEMissouri: #164 for boys · 25 births · 1 in 1,349 boysMOKentucky: #237 for boys · 14 births · 1 in 2,142 boysKYWest Virginia: #204 for boys · 12 births · 1 in 1,738 boysWVVirginia: fewer than 5 boys named Rex, so not publishedVAMaryland: fewer than 5 boys named Rex, so not publishedMDDelaware: fewer than 5 boys named Rex, so not publishedDEArizona: fewer than 5 boys named Rex, so not publishedAZNew Mexico: fewer than 5 boys named Rex, so not publishedNMKansas: #140 for boys · 21 births · 1 in 728 boysKSArkansas: #166 for boys · 19 births · 1 in 1,103 boysARTennessee: #195 for boys · 21 births · 1 in 1,520 boysTNNorth Carolina: #225 for boys · 23 births · 1 in 1,810 boysNCSouth Carolina: fewer than 5 boys named Rex, so not publishedSCDistrict of Columbia: fewer than 5 boys named Rex, so not publishedDCOklahoma: #182 for boys · 17 births · 1 in 1,263 boysOKLouisiana: fewer than 5 boys named Rex, so not publishedLAMississippi: #325 for boys · 7 births · 1 in 3,388 boysMSAlabama: #250 for boys · 16 births · 1 in 2,043 boysALGeorgia: #391 for boys · 7 births · 1 in 5,043 boysGAHawaii: fewer than 5 boys named Rex, so not publishedHITexas: #306 for boys · 29 births · 1 in 2,430 boysTXFlorida: #253 for boys · 8 births · 1 in 2,326 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#70 · 1 in 317
  2. Wyoming#87 · 1 in 345
  3. Indiana#116 · 1 in 778
  4. Kansas#140 · 1 in 728
  5. Iowa#152 · 1 in 1,090

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

Show every state
StateRankBirthsShare
Utah#70221 in 317
Wyoming#8761 in 345
Indiana#116441 in 778
Kansas#140211 in 728
Iowa#152211 in 1,090
Idaho#15361 in 807
Oregon#158101 in 1,022
Missouri#164251 in 1,349
Arkansas#166191 in 1,103
Oklahoma#182171 in 1,263
Illinois#194361 in 2,053
Michigan#194261 in 2,227
Tennessee#195211 in 1,520
West Virginia#204121 in 1,738
Colorado#20671 in 1,520
Nebraska#20861 in 1,787
Ohio#214261 in 2,627
California#217381 in 1,922
North Carolina#225231 in 1,810
Kentucky#237141 in 2,142
Alabama#250161 in 2,043
Florida#25381 in 2,326
Texas#306291 in 2,430
Mississippi#32571 in 3,388
Georgia#39171 in 5,043
Pennsylvania#39391 in 10,357
New York#55761 in 19,649
Alaska
Arizona
Connecticut
Delaware
District of Columbia
Hawaii
Louisiana
Maine
Maryland
Massachusetts
Minnesota
Montana
Nevada
New Hampshire
New Jersey
New Mexico
North Dakota
Rhode Island
South Carolina
South Dakota
Vermont
Virginia
Washington
Wisconsin

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 1942

girls
#4,124
6 births · 1 in 225,120 girls
boys
#256
521 births · 1 in 2,651 boys

Top girls' names in 1942

  1. #1Mary63,256
  2. #2Barbara44,739
  3. #3Patricia39,465
  4. #4Linda31,613
  5. #5Carol30,272
  6. #6Sandra24,994
  7. #7Judith24,792
  8. #8Nancy23,327
  9. #9Betty21,659
  10. #10Carolyn19,978
  11. #4,124Rex6

Top boys' names in 1942

  1. #1James77,182
  2. #2Robert71,845
  3. #3John66,043
  4. #4William54,890
  5. #5Richard43,593
  6. #6David35,905
  7. #7Charles35,854
  8. #8Thomas31,100
  9. #9Ronald27,138
  10. #10Donald23,955
  11. #256Rex521
More about 1942

girls

1,350,719 girls got a published name in 1942; 1 in 225,120 of them was named Rex, which outranked 23.3% of the 5,378 girls' names that year. The ten most popular names covered 24.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Rex
  1. #3,738Zera7
  2. #3,738Zondra7
  3. #3,738Zylphia7
  4. #4,124Rex6
  5. #4,124Aaron6
  6. #4,124Adair6
  7. #4,124Adel6
  8. #4,622Adda5
  9. #4,622Adelene5
  10. #4,622Adina5

Tied with 497 names at #4,124; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1941
Risers
  1. 3,567Michal#4,420#853
  2. 1,885Merrily#2,397#512
  3. 1,081Merrilee#1,954#873
  4. 783Jerrilyn#1,610#827
  5. 760Candace#1,418#658
Fallers
  1. 354Rebekah#924#1,278
  2. 350Leatha#830#1,180
  3. 307Nella#993#1,300
  4. 272Arla#934#1,206
  5. 262Vivien#735#997

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

boys

1,381,161 boys got a published name in 1942; 1 in 2,651 of them was named Rex, which outranked 93.7% of the 4,044 boys' names that year. The ten most popular names covered 33.8% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #253Nathan523
  2. #253Winston523
  3. #255Antonio522
  4. #256Rex521
  5. #256Micheal521
  6. #258Nick520
  7. #259Scott518
  8. #260Carlton516

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

Biggest movers since 1941
Risers
  1. 2,993Macarthur#3,505#512
  2. 1,546Mcarthur#1,903#357
  3. 655Collin#1,588#933
  4. 514Delmas#1,254#740
  5. 390Colin#713#323
Fallers
  1. 525Otho#971#1,496
  2. 440Florian#918#1,358
  3. 421Martha#960#1,381
  4. 407Watson#951#1,358
  5. 371Gaylen#987#1,358

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

See the top 100 for 1942