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boyandgirlnames

Theo

Boy name · English · Greek

Meaninggift of God · English form of Theodore

US rank
#82
Syllables
1
Peak
#78 in 2023

3,945 babies were named Theo in the US in 2025. It has climbed 90 places in five years.

Found on lists

BiblicalCelebrityGender NeutralPopular UkTop 100 Boys Names 2014Top 100 Boys Names 2017Unisex Baby Names
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US births per million girls, 1880–2025

07014018801920196020002025

US births per million boys, 1880–2025

01,2502,50018801920196020002025

Most popular states (2025)

HI rank #26MA rank #41UT rank #49CT rank #51DC rank #55

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Theo you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Theo Walcott

Famous Theo

Theo Walcott

English association football player (born 1989)

Choose Theo and your child shares a first name with Theo Walcott, an English association football player. A ready-made answer when someone asks “Theo, like who?” Theo Walcott's Wikipedia article is available in 67 languages, a good sign of just how widely known they are.

Read about Theo Walcott on Wikipedia (opens in a new tab)

Photo: Armanamirahmadi, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 433 baby boys born in the US in 2025 was named Theo, 3,945 babies in all. In a school of 500 kids, there'd probably be one other Theo.
  • HistoryTheo has been in use since at least 1880, the first year US birth records were kept. That's 145 years of Theos, and counting.
  • Best yearIts best year was 2023, when it reached #78.
  • Then vs nowTheo is 45× more common today than it was in 2000. In 2000 it was given to about 1 in 19,455 baby boys; in 2025, about 1 in 433.
  • TrendTheo has climbed 90 places in the US rankings over the last five years and now sits at #82. Fast risers like this often keep climbing, so expect to hear it more.
  • Where it's lovedTheo is most popular in Hawaii, where it ranks #26, followed by Massachusetts (#41) and Utah (#49). It makes the top 1,000 in almost every state.
  • MeaningTheo is an English form of Theodore, which means “gift of God”. Our records link it to English and Greek roots.

About the name Theo

Theo is a boy name of English and Greek origin meaning “gift of God”. It has 4 letters and 1 syllable, starting with T and ending in “-heo”. US birth records list Theo for boys from 1880 to 2025, in 146 of those 146 years. Its best year was 2023, when it ranked #78 among boy names. In 2025 it ranked #82, with 3,945 babies.

Origin:English namesGreek names

Theo for girls, by decade
DecadeBabies per millionAbout 1 in
1880s9610,464 girls
1890s9510,502 girls
1900s1019,878 girls
1910s8811,324 girls
1920s7213,862 girls
1930s3429,206 girls
1940s2343,197 girls
1950s9.2108,460 girls
1960s3.5284,900 girls
1970s1.2847,458 girls
1990s0.33,703,704 girls
2000s0.33,571,429 girls
2010s3.3303,951 girls
2020s2638,685 girls
Theo for boys, by decade
DecadeBabies per millionAbout 1 in
1880s8511,719 boys
1890s1039,671 boys
1900s1675,978 boys
1910s1178,551 boys
1920s8911,250 boys
1930s6415,528 boys
1940s3033,025 boys
1950s1854,113 boys
1960s1759,809 boys
1970s2442,301 boys
1980s2934,518 boys
1990s3132,457 boys
2000s6914,465 boys
2010s4422,262 boys
2020s2,008498 boys

More English boy names

Questions about the name Theo

What does the name Theo mean?

Theo means “gift of God” in English, as a form of Theodore.

What is the origin of the name Theo?

Theo has English, Greek roots in our records. Other English names include Oliver, Henry, James.

Is Theo a boy or girl name?

Theo is a boy name, though a few girls get it too.

How popular is the name Theo?

Theo ranked #82 for US boys in 2025, given to 3,945 babies. Its best year was 2023 (#78).