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
#170
1951 · 1,503 births
Debut · boys
1880
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#1,000rank188019001920194019601980200020201964peak #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 1964

girls
#5,474
7 births · 1 in 270,694 girls
boys
#247
957 births · 1 in 2,082 boys

Top girls' names in 1964

  1. #1Lisa54,270
  2. #2Mary40,985
  3. #3Susan31,515
  4. #4Karen30,243
  5. #5Patricia26,091
  6. #6Kimberly24,128
  7. #7Donna23,808
  8. #8Linda23,629
  9. #9Cynthia20,321
  10. #10Tammy20,043
  11. #5,474Rex7

Top boys' names in 1964

  1. #1Michael82,617
  2. #2John82,508
  3. #3David75,043
  4. #4James73,026
  5. #5Robert69,980
  6. #6Mark45,261
  7. #7William44,224
  8. #8Richard40,098
  9. #9Thomas34,463
  10. #10Jeffrey30,728
  11. #247Rex957
More about 1964

girls

1,894,855 girls got a published name in 1964; 1 in 270,694 of them was named Rex, which outranked 29.9% of the 7,806 girls' names that year. The ten most popular names covered 15.6% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Rex
  1. #5,008Zenith8
  2. #5,008Zetta8
  3. #5,008Zinia8
  4. #5,474Rex7
  5. #5,474Abbi7
  6. #5,474Adriann7
  7. #5,474Aide7
  8. #6,009Adalia6
  9. #6,009Adeana6
  10. #6,009Adline6

Tied with 534 names at #5,474; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1963
Risers
  1. ↑ 4,987Anjanette#5,891 → #904
  2. ↑ 2,403Deneen#2,619 → #216
  3. ↑ 2,162Denine#3,066 → #904
  4. ↑ 1,303Daneen#2,211 → #908
  5. ↑ 1,137Kecia#1,754 → #617
Fallers
  1. ↓ 341Leisha#993 → #1,334
  2. ↓ 320Cary#973 → #1,293
  3. ↓ 317Lisha#929 → #1,246
  4. ↓ 281Cecile#973 → #1,254
  5. ↓ 276Alexis#790 → #1,066

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

boys

1,992,698 boys got a published name in 1964; 1 in 2,082 of them was named Rex, which outranked 94.6% of the 4,594 boys' names that year. The ten most popular names covered 29.0% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Rex
  1. #244Oscar999
  2. #245Milton979
  3. #246Jackie978
  4. #247Rex957
  5. #248Sam955
  6. #249Miguel951
  7. #250Hector945
Biggest movers since 1963
Risers
  1. ↑ 864Deron#1,548 → #684
  2. ↑ 653Cassius#1,513 → #860
  3. ↑ 392Kipp#1,215 → #823
  4. ↑ 363Fitzgerald#1,052 → #689
  5. ↑ 334Adrain#1,279 → #945
Fallers
  1. ↓ 286Farrell#886 → #1,172
  2. ↓ 283Tal#813 → #1,096
  3. ↓ 278Laura#921 → #1,199
  4. ↓ 272Pamela#947 → #1,219
  5. ↓ 270Huey#891 → #1,161

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

See the top 100 for 1964 →