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#1,000rank188019001920194019601980200020201954peak #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.

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 1954

girls
#5,753
5 births · 1 in 388,383 girls
boys
#189
1,380 births · 1 in 1,477 boys

Top girls' names in 1954

  1. #1Mary68,019
  2. #2Linda55,371
  3. #3Deborah54,674
  4. #4Patricia49,149
  5. #5Susan47,162
  6. #6Debra45,896
  7. #7Barbara36,368
  8. #8Karen32,456
  9. #9Nancy30,270
  10. #10Cynthia27,615
  11. #5,753Rex5

Top boys' names in 1954

  1. #1Michael88,568
  2. #2Robert86,331
  3. #3James86,311
  4. #4John81,168
  5. #5David79,556
  6. #6William61,426
  7. #7Richard57,042
  8. #8Thomas47,159
  9. #9Gary37,920
  10. #10Charles37,463
  11. #189Rex1,380
More about 1954

girls

1,941,915 girls got a published name in 1954; 1 in 388,383 of them was named Rex, which outranked 13.2% of the 6,625 girls' names that year. The ten most popular names covered 23.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Rex
  1. #5,148Zera6
  2. #5,148Zonda6
  3. #5,148Zondra6
  4. #5,753Rex5
  5. #5,753Adana5
  6. #5,753Adrain5
  7. #5,753Adrean5

Tied with 872 names at #5,753; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1953
Risers
  1. 1,699Sherree#2,699#1,000
  2. 1,434Sabrina#2,236#802
  3. 932Valinda#1,738#806
  4. 748Sheree#1,071#323
  5. 421Sherie#1,248#827
Fallers
  1. 396Enola#948#1,344
  2. 311Ila#782#1,093
  3. 302Nancie#816#1,118
  4. 282Arline#904#1,186
  5. 269Candyce#944#1,213

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

boys

2,038,751 boys got a published name in 1954; 1 in 1,477 of them was named Rex, which outranked 95.7% of the 4,360 boys' names that year. The ten most popular names covered 32.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #186Herman1,416
  2. #187Lynn1,415
  3. #188Tom1,388
  4. #189Rex1,380
  5. #190Kirk1,375
  6. #191Ted1,343
  7. #192Darryl1,331
Biggest movers since 1953
Risers
  1. 592Ricci#1,331#739
  2. 470Demetrius#1,357#887
  3. 382Crawford#1,378#996
  4. 310Gavin#1,139#829
  5. 296Dino#1,058#762
Fallers
  1. 504Arlin#878#1,382
  2. 347Adan#895#1,242
  3. 345Dayton#966#1,311
  4. 302Garey#966#1,268
  5. 293Bartholomew#975#1,268

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

See the top 100 for 1954