Boy nameCurrently #794 in the USSteady

Rex

//ˈɹɛks//

1 syllablePeak year: 19523 lettersStarts with R

Meaning & origin

We're still researching Rex's meaning

We don't have a verified origin story for this name yet — we'd rather leave it blank than make one up. Check back soon, or explore the popularity data below in the meantime.

Rex's popularity over time

Yearly US births named Rex, Social Security Administration data
YearBirths named Rex
188013
18817
188213
188315
188413
188517
188626
188728
188828
188923
189030
189124
189228
189325
189430
189534
189635
189731
189839
189929
190059
190129
190246
190343
190433
190546
190661
190748
190864
190968
191065
191182
1912164
1913243
1914334
1915401
1916461
1917471
1918509
1919523
1920614
1921596
1922615
1923584
1924594
1925562
1926552
1927526
1928525
1929492
1930540
1931520
1932586
1933626
1934631
1935653
1936612
1937601
1938628
1939564
1940552
1941558
1942527
1943614
1944574
1945485
1946662
1947846
1948903
1949959
19501,069
19511,503
19521,505
19531,352
19541,384
19551,400
19561,458
19571,333
19581,251
19591,289
19601,318
19611,279
19621,132
1963984
1964964
1965787
1966718
1967581
1968514
1969478
1970507
1971473
1972373
1973325
1974297
1975296
1976283
1977291
1978255
1979267
1980305
1981268
1982266
1983246
1984264
1985261
1986232
1987231
1988247
1989224
1990232
1991220
1992207
1993178
1994167
1995158
1996139
1997152
1998151
1999137
2000112
2001116
2002154
2003182
2004182
2005237
2006252
2007236
2008274
2009303
2010332
2011386
2012385
2013391
2014389
2015374
2016423
2017434
2018420
2019410
2020377
2021379
2022380
2023367
2024316

Rex through the decades

  • Rex peaked in 1952, when 1,505 babies were named Rex in the US.
  • Over the last 10 years of data (2015–2024), use of Rex has risen 22% compared to the 10 years before that.
  • Rex currently ranks #794 in the US and is holding steady.

Names like Rex

Similar-sounding names.

Sibling names for Rex

A different sound, a similar rhythm.