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#1,000rank188019001920194019601980200020201938peak #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 1938

  • 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: #188 for boys · 8 births · 1 in 1,471 boysWAIdaho: #99 for boys · 11 births · 1 in 414 boysIDMontana: fewer than 5 boys named Rex, so not publishedMTNorth Dakota: fewer than 5 boys named Rex, so not publishedNDMinnesota: #311 for boys · 5 births · 1 in 4,493 boysMNIllinois: #193 for boys · 27 births · 1 in 2,113 boysILWisconsin: fewer than 5 boys named Rex, so not publishedWIMichigan: #127 for boys · 43 births · 1 in 1,030 boysMINew York: #549 for boys · 5 births · 1 in 17,651 boysNYMassachusetts: fewer than 5 boys named Rex, so not publishedMARhode Island: fewer than 5 boys named Rex, so not publishedRIOregon: #187 for boys · 5 births · 1 in 1,405 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: #122 for boys · 29 births · 1 in 691 boysIAIndiana: #86 for boys · 58 births · 1 in 465 boysINOhio: #186 for boys · 26 births · 1 in 2,028 boysOHPennsylvania: #367 for boys · 10 births · 1 in 7,620 boysPANew Jersey: fewer than 5 boys named Rex, so not publishedNJConnecticut: fewer than 5 boys named Rex, so not publishedCTCalifornia: #238 for boys · 23 births · 1 in 2,048 boysCAUtah: #74 for boys · 17 births · 1 in 310 boysUTColorado: #152 for boys · 10 births · 1 in 934 boysCONebraska: #115 for boys · 18 births · 1 in 556 boysNEMissouri: #135 for boys · 34 births · 1 in 817 boysMOKentucky: #139 for boys · 34 births · 1 in 823 boysKYWest Virginia: #260 for boys · 8 births · 1 in 2,396 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: #170 for boys · 6 births · 1 in 815 boysAZNew Mexico: fewer than 5 boys named Rex, so not publishedNMKansas: #127 for boys · 22 births · 1 in 602 boysKSArkansas: #153 for boys · 20 births · 1 in 910 boysARTennessee: #171 for boys · 22 births · 1 in 1,219 boysTNNorth Carolina: #187 for boys · 31 births · 1 in 1,152 boysNCSouth Carolina: fewer than 5 boys named Rex, so not publishedSCDistrict of Columbia: fewer than 5 boys named Rex, so not publishedDCOklahoma: #166 for boys · 22 births · 1 in 958 boysOKLouisiana: #323 for boys · 8 births · 1 in 2,674 boysLAMississippi: #217 for boys · 14 births · 1 in 1,532 boysMSAlabama: #173 for boys · 25 births · 1 in 1,100 boysALGeorgia: #436 for boys · 5 births · 1 in 5,917 boysGAHawaii: fewer than 5 boys named Rex, so not publishedHITexas: #239 for boys · 41 births · 1 in 1,443 boysTXFlorida: #233 for boys · 8 births · 1 in 1,728 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#74 · 1 in 310
  2. Indiana#86 · 1 in 465
  3. Idaho#99 · 1 in 414
  4. Nebraska#115 · 1 in 556
  5. Iowa#122 · 1 in 691

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

Show every state
StateRankBirthsShare
Utah#74171 in 310
Indiana#86581 in 465
Idaho#99111 in 414
Nebraska#115181 in 556
Iowa#122291 in 691
Kansas#127221 in 602
Michigan#127431 in 1,030
Missouri#135341 in 817
Kentucky#139341 in 823
Colorado#152101 in 934
Arkansas#153201 in 910
Oklahoma#166221 in 958
Arizona#17061 in 815
Tennessee#171221 in 1,219
Alabama#173251 in 1,100
Ohio#186261 in 2,028
North Carolina#187311 in 1,152
Oregon#18751 in 1,405
Washington#18881 in 1,471
Illinois#193271 in 2,113
Mississippi#217141 in 1,532
Florida#23381 in 1,728
California#238231 in 2,048
Texas#239411 in 1,443
West Virginia#26081 in 2,396
Minnesota#31151 in 4,493
Louisiana#32381 in 2,674
Pennsylvania#367101 in 7,620
Georgia#43651 in 5,917
New York#54951 in 17,651
Alaska———
Connecticut———
Delaware———
District of Columbia———
Hawaii———
Maine———
Maryland———
Massachusetts———
Montana———
Nevada———
New Hampshire———
New Jersey———
New Mexico———
North Dakota———
Rhode Island———
South Carolina———
South Dakota———
Vermont———
Virginia———
Wisconsin———
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 1938

boys
#202
628 births · 1 in 1,766 boys

Top boys' names in 1938

  1. #1Robert62,271
  2. #2James59,102
  3. #3John50,517
  4. #4William42,433
  5. #5Richard34,385
  6. #6Charles31,151
  7. #7Donald26,677
  8. #8David22,994
  9. #9Thomas21,381
  10. #10Ronald20,295
  11. #202Rex628
More about 1938

boys

1,109,147 boys got a published name in 1938; 1 in 1,766 of them was named Rex, which outranked 95.0% of the 4,035 boys' names that year. The ten most popular names covered 33.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #199Clayton640
  2. #199Stuart640
  3. #201Juan639
  4. #202Rex628
  5. #203Dave626
  6. #204Brian609
  7. #205Matthew608
Biggest movers since 1937
Risers
  1. ↑ 1,314Dion#2,197 → #883
  2. ↑ 448Tex#1,212 → #764
  3. ↑ 425Lonny#1,233 → #808
  4. ↑ 401Gonzalo#1,180 → #779
  5. ↑ 383Lance#722 → #339
Fallers
  1. ↓ 741Worth#1,000 → #1,741
  2. ↓ 528Estel#869 → #1,397
  3. ↓ 492Milburn#845 → #1,337
  4. ↓ 412Lonzo#835 → #1,247
  5. ↓ 405Joy#932 → #1,337

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

See the top 100 for 1938 →