Theta

the eighth letter of the Greek alphabet
Greece origin · Girl name
3% boys97% girls
#1229US 2023
971Births / yr
Stable
402All-time births
📅 Since 190700.01% of births at peak
How to pronounce Theta
THAY·tuh
/ˈθeɪ.tə/ · stress on THAY · 2 syllables
the eighth letter of the Greek alphabet
Greece origin · Girl name

What does Theta mean and where does it come from?

Theta is a name derived from the Greek letter 'Θ', known as 'Theta'. It is used primarily in academic settings, particularly in mathematics and physics. The name has gained some use as a given name in modern contexts, especially in the United States. The use of Greek letters as names often symbolize

Cultural significance
Theta has been a cherished name across cultures, particularly in Greece-speaking communities, where it reflects values of the eighth letter of the greek alphabet.
Peak popularity
Reached #870 in 1907 — currently #1229 in the US.
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Related Reading
Greece-origin baby names with timeless appeal
Browse names →

What middle names flow best with Theta?

Theta works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Theta Grace
Most popular combo · classic
Theta Rose
Floral · soft ending
Theta Mae
Sweet · timeless
Theta Claire
French influence · crisp
Theta Jane
Literary · strong
Theta Skye
Modern · airy feel
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Middle Names
The best middle names for Theta
Browse ideas →

How popular is Theta right now?

Holding steady — currently #1229 in the US out of 135.5k tracked names

US Trend 19102023#1229 · Top 0.91%
1910
1925
1930
1935
1940
1945
1950
1960
2015
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1229971▲ up 5 · +2% births
2022#1234951▲ up 5 · +3% births
2021#1239921▲ up 15278 · +18320% births
2015#165175▼ down 10690 · -17% births
1960#58276▼ down 1380 · -14% births
1950#44477▼ down 274 · +17% births
1945#41736▼ down 1109 · -33% births
1940#30649▼ down 801 · -36% births
1935#226314▲ up 505 · +27% births
1930#276811▲ up 1810 · +83% births
1925#45786▼ down 2467 · -14% births
1910#21117

The story of Theta

Theta entered American naming records in 1907 and has been in use for over 117 years. With 402 total births recorded, Theta remains relatively uncommon. The name has grown more popular over time, rising from #2111 in 1910 to #1229 in 2023.

Names that peaked alongside Theta in 1907:

Theta by decade

Theta peaked in the 1900s. See all 1900s names →

DecadeBirths
1900s33
1910s56
1920s101
1930s84
1940s62
1950s40
1960s21
2010s5
💎Theta has only 402 total recorded births since 1907 — rarer than 99% of names in our database.

What are good nicknames for Theta?

Common
TheThetThetieThety

Common questions about the name Theta

What does the name Theta mean?
Theta means "the eighth letter of the Greek alphabet" — a name rooted in Greece tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Theta?
Theta is currently a distinctive and less common name as a girl name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Theta?
Theta originates from Greece tradition. Greece names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Theta?
Theta is a two-syllable name pronounced TH EY1 T AH0. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Theta a common or rare name?
Theta is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.