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#1,000rank188019001920194019601980200020201951peak #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 1951

  • 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: #133 for boys · 31 births · 1 in 905 boysWAIdaho: #77 for boys · 19 births · 1 in 368 boysIDMontana: #102 for boys · 13 births · 1 in 530 boysMTNorth Dakota: #167 for boys · 6 births · 1 in 1,267 boysNDMinnesota: #217 for boys · 13 births · 1 in 2,908 boysMNIllinois: #146 for boys · 84 births · 1 in 1,159 boysILWisconsin: #209 for boys · 14 births · 1 in 3,017 boysWIMichigan: #129 for boys · 86 births · 1 in 980 boysMINew York: #371 for boys · 20 births · 1 in 7,911 boysNYMassachusetts: #292 for boys · 5 births · 1 in 9,903 boysMARhode Island: fewer than 5 boys named Rex, so not publishedRIOregon: #96 for boys · 30 births · 1 in 573 boysORNevada: fewer than 5 boys named Rex, so not publishedNVWyoming: #69 for boys · 10 births · 1 in 335 boysWYSouth Dakota: #101 for boys · 14 births · 1 in 581 boysSDIowa: #80 for boys · 58 births · 1 in 544 boysIAIndiana: #59 for boys · 136 births · 1 in 358 boysINOhio: #122 for boys · 105 births · 1 in 931 boysOHPennsylvania: #230 for boys · 31 births · 1 in 3,713 boysPANew Jersey: #300 for boys · 7 births · 1 in 7,074 boysNJConnecticut: fewer than 5 boys named Rex, so not publishedCTCalifornia: #169 for boys · 106 births · 1 in 1,222 boysCAUtah: #56 for boys · 43 births · 1 in 248 boysUTColorado: #121 for boys · 25 births · 1 in 683 boysCONebraska: #101 for boys · 26 births · 1 in 593 boysNEMissouri: #123 for boys · 59 births · 1 in 750 boysMOKentucky: #142 for boys · 39 births · 1 in 942 boysKYWest Virginia: #109 for boys · 36 births · 1 in 676 boysWVVirginia: #214 for boys · 22 births · 1 in 1,785 boysVAMaryland: #213 for boys · 11 births · 1 in 2,411 boysMDDelaware: fewer than 5 boys named Rex, so not publishedDEArizona: #198 for boys · 9 births · 1 in 1,175 boysAZNew Mexico: #201 for boys · 9 births · 1 in 1,141 boysNMKansas: #75 for boys · 53 births · 1 in 404 boysKSArkansas: #146 for boys · 24 births · 1 in 917 boysARTennessee: #136 for boys · 45 births · 1 in 885 boysTNNorth Carolina: #173 for boys · 47 births · 1 in 1,125 boysNCSouth Carolina: #360 for boys · 6 births · 1 in 4,890 boysSCDistrict of Columbia: fewer than 5 boys named Rex, so not publishedDCOklahoma: #122 for boys · 36 births · 1 in 670 boysOKLouisiana: #283 for boys · 16 births · 1 in 2,325 boysLAMississippi: #265 for boys · 13 births · 1 in 2,247 boysMSAlabama: #152 for boys · 38 births · 1 in 1,018 boysALGeorgia: #221 for boys · 25 births · 1 in 1,796 boysGAHawaii: #210 for boys · 5 births · 1 in 1,236 boysHITexas: #213 for boys · 83 births · 1 in 1,316 boysTXFlorida: #201 for boys · 23 births · 1 in 1,442 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#56 · 1 in 248
  2. Indiana#59 · 1 in 358
  3. Wyoming#69 · 1 in 335
  4. Kansas#75 · 1 in 404
  5. Idaho#77 · 1 in 368

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

Show every state
StateRankBirthsShare
Utah#56431 in 248
Indiana#591361 in 358
Wyoming#69101 in 335
Kansas#75531 in 404
Idaho#77191 in 368
Iowa#80581 in 544
Oregon#96301 in 573
Nebraska#101261 in 593
South Dakota#101141 in 581
Montana#102131 in 530
West Virginia#109361 in 676
Colorado#121251 in 683
Ohio#1221051 in 931
Oklahoma#122361 in 670
Missouri#123591 in 750
Michigan#129861 in 980
Washington#133311 in 905
Tennessee#136451 in 885
Kentucky#142391 in 942
Arkansas#146241 in 917
Illinois#146841 in 1,159
Alabama#152381 in 1,018
North Dakota#16761 in 1,267
California#1691061 in 1,222
North Carolina#173471 in 1,125
Arizona#19891 in 1,175
Florida#201231 in 1,442
New Mexico#20191 in 1,141
Wisconsin#209141 in 3,017
Hawaii#21051 in 1,236
Maryland#213111 in 2,411
Texas#213831 in 1,316
Virginia#214221 in 1,785
Minnesota#217131 in 2,908
Georgia#221251 in 1,796
Pennsylvania#230311 in 3,713
Mississippi#265131 in 2,247
Louisiana#283161 in 2,325
Massachusetts#29251 in 9,903
New Jersey#30071 in 7,074
South Carolina#36061 in 4,890
New York#371201 in 7,911
Alaska———
Connecticut———
Delaware———
District of Columbia———
Maine———
Nevada———
New Hampshire———
Rhode Island———
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 1951

boys
#170
1,503 births · 1 in 1,253 boys

Top boys' names in 1951

  1. #1James87,256
  2. #2Robert86,353
  3. #3John81,569
  4. #4Michael72,807
  5. #5David64,788
  6. #6William62,781
  7. #7Richard54,541
  8. #8Thomas48,275
  9. #9Charles39,406
  10. #10Gary38,160
  11. #170Rex1,503
More about 1951

boys

1,882,837 boys got a published name in 1951; 1 in 1,253 of them was named Rex, which outranked 96.0% of the 4,253 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. #167Herman1,541
  2. #168Tom1,522
  3. #169Milton1,520
  4. #170Rex1,503
  5. #171Wesley1,500
  6. #172Kim1,474
  7. #173Chris1,473
Biggest movers since 1950
Risers
  1. ↑ 428Kimberly#1,139 → #711
  2. ↑ 372Cole#1,364 → #992
  3. ↑ 357Wayland#1,272 → #915
  4. ↑ 354Ricki#1,139 → #785
  5. ↑ 346Lou#1,289 → #943
Fallers
  1. ↓ 944Jory#960 → #1,904
  2. ↓ 502Samual#960 → #1,462
  3. ↓ 426Carlyle#918 → #1,344
  4. ↓ 319Shaun#899 → #1,218
  5. ↓ 318Tex#977 → #1,295

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

See the top 100 for 1951 →