Theo

THEE-oh /ˈθiːoʊ/
boy 1 syllable trending up

Theo is an established boys' name that has climbed to its highest level yet, peaking in 2023.

Theo is predominantly a boy name. In 2025 it ranked #82 among boys (3,945) and #5,894 among girls (21) — overall #145 across all names. The charts below show girls and boys separately.

About the name Theo

PronunciationTHEE-oh /ˈθiːoʊ/
CultureDutchFrenchGerman
#5,894among girls 2025
#82among boys 2025
#725unisex rank 2025
#145among all names 2025
21girls 2025
3,945boys 2025 (3,961 incl. terr.)

Names similar to Theo

How popular is Theo?

Boys named Theo 3,961 in 2025
188019001920194019601980200020202025
Boys named Theo per year hover for count and boys rank Source: U.S. Social Security Administration, national data 1880–2025 U.S.+territories from SSA territory files (1998–2025)
Girls named Theo 21 in 2025
188019001920194019601980200020202025
Girls named Theo per year hover for count and girls rank Source: U.S. Social Security Administration, national data 1880–2025 U.S.+territories from SSA territory files (1998–2025)

Theo total popularity by year

YearU.S. birthsU.S. + territories♀ Rank♂ Rank
20253,9663,982#5,894#82
20244,1604,186#4,554#80
20234,1824,199#3,705#78
20223,6923,697#3,276#98
20212,7672,767#2,708#142
20202,2692,269#3,493#172
20192,0492,049#4,534#195
20181,5611,561#13,679#243
20171,2391,239#13,992#290
2016963963#10,057#354
2015765765#406
2014550550#509
2013365365#663
2012287287#790
2011245245#863
2010221221#918
2009187187#1,033
2008188188#1,022
2007191191#1,012
2006156156#1,120
2005139139#1,154
2004133133#1,178
2003109109#1,295
2002103103#17,892#1,355
20018484#1,471
2000101101#1,289
19997676#1,502
19986363#1,664
199762#1,645
199653#1,761
199556#1,646
199454#1,688
199350#1,739
199259#1,523
199166#15,259#1,466
199066#1,382
198977#1,227
198877#1,153
198775#1,112
198685#1,006
198576#1,063
198423#2,285
198327#2,011
198233#1,769
198131#1,859
198036#1,651
197944#10,115#1,565
197846#1,368
197751#1,248
197658#1,122
197563#8,968#1,124
197432#1,577
197327#1,731
197226#1,765
197123#1,908
197035#7,003#1,654
196934#8,589#1,525
196824#1,643
196729#1,443
196629#6,498#1,647
196543#1,161
196452#3,866#1,260
196340#5,256#1,398
196238#3,995#1,586
196152#3,309#1,346
196049#5,653#1,226
195944#4,995#1,320
195846#3,909#1,320
195757#2,641#1,298
195650#3,891#1,230
195556#2,337#1,337
195446#2,881#1,405
195351#2,585#1,327
195259#2,573#1,165
195164#2,467#1,066
195072#1,713#1,122
194958#2,128#1,201
194880#1,645#1,034
194774#1,628#1,175
194674#1,615#1,057
1945101#1,094#941
194471#1,605#988
194394#1,465#854
194271#1,664#1,003
194173#1,332#1,047
194070#1,345#1,063
193991#1,470#762
193883#1,867#769
193773#1,276#1,011
1936103#1,342#697
1935110#1,133#729
193494#1,146#852
1933101#1,137#781
1932117#1,126#719
1931128#1,090#649
1930145#1,000#653
1929146#847#728
1928154#952#657
1927167#1,008#596
1926194#766#618
1925200#734#644
1924208#707#656
1923167#851#670
1922211#721#619
1921203#749#615
1920195#731#645
1919201#672#637
1918192#707#665
1917180#739#631
1916194#694#596
1915189#668#604
1914145#722#554
1913112#746#551
1912103#695#572
191167#731#546
191064#810#472
190966#586#572
190858#808#412
190760#689#436
190644#714#585
190557#608#475
190458#627#407
190347#627#523
190259#557#425
190137#765#464
190036#798#696
189926#830#709
189841#665#537
189739#581#676
189636#650#670
189539#620#577
189429#738#624
189330#686#646
189234#563#789
189132#585#589
189024#820#599
188926#616#783
188826#631#750
188729#522#627
188623#603#751
188519#694#759
188423#539#839
188321#813#493
188222#631#573
188116#670#697
188016#730#680