Thea

#353 in 2025Girls' name

Short form of Dorothea, Theodora, or Theresa

Thea has been given to 20,118 babies in the U.S. since 1880. In 2025 it ranked #353 of 17,293 girls’ names in use. Its peak year was 2018, with 1,209 recorded.

Babies named Thea, 2025

1 in 3,820

Thea over time, 1880–2025

GirlsBoys
05001K1.5K18801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Thea: meaning, origin, and history

Short form of Dorothea, Theodora, or Theresa

European short form with Greek-rooted parent names

About Thea

Thea is an established short form of Dorothea, Theodora, Theresa, and other names with a similar sound. It is used in German, Scandinavian languages, and English. Its brief shape can carry a much longer history, with modern associations in composition and filmmaking.

Meaning and name family

Dorothea and Theodora belong to the Greek family built from words for “gift” and “god,” arranged in opposite orders. Thea can preserve the divine element when it comes from either of those names.

Theresa has a different and uncertain history. Proposed sources include Greek words for “summer” or “to harvest,” and the island name Therasia. A Thea formed from Theresa does not automatically share the meaning of Dorothea or Theodora.

Thea therefore has more than one route into use. Its short-form history is well established, while a single meaning for every bearer would obscure the different longer names behind it.

Pronunciation and forms

In English, Thea is usually THEE-uh, with the th sound heard in thin and two syllables. German pronunciation is approximately TAY-ah, with a t sound at the beginning. The same spelling does not guarantee the same opening consonant.

Théa is a related French spelling, and Tea occurs in several European languages as another short form in this wider family. Dorothea and Theodora retain the complete Greek-rooted names, while Thea is also used independently.

Thea Musgrave

Composer Thea Musgrave studied at the University of Edinburgh and then in Paris with Nadia Boulanger. Her music often explores dramatic relationships within instrumental performance, including works in which a soloist moves in relation to the ensemble.

Her opera Mary, Queen of Scots was commissioned by Scottish Opera and first performed at the King's Theatre in Edinburgh on September 6, 1977. Musgrave wrote the libretto, drawing on work by Amalia Elguera, as well as composing the music.

The opera focuses on Mary's return to Scotland and the political conflicts around her, rather than simply retelling the queen's final execution. Musgrave's work connects the short name with a substantial career in orchestral music and opera.

Thea von Harbou

Writer Thea von Harbou is associated with the screenplay of Metropolis, the 1927 film directed by Fritz Lang. Its futuristic city divides the privileged inhabitants above from the workers who keep it functioning below.

The film's robot imagery and monumental cityscape became lasting reference points in science-fiction cinema. Von Harbou's writing gives Thea a connection with the imaginative world behind that screen spectacle, distinct from Musgrave's musical drama.

Popularity in the United States

Thea was recorded for 111 American girls in 2000 and 145 in 2010. Its largest recorded birth count came in 2018, with 1,209 girls and a rank of No. 273.

In 2025, 867 girls received the name, placing it at No. 353. The American series shows a marked twenty-first-century rise, followed by somewhat lower but still substantial use.

Sources & methodologyReferences, data & attribution

Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. Popularity figures use the local Social Security Administration exact-spelling series; name-sex-year counts below five are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Thea?

In 2025, Thea ranked #353 among girls in the United States, with 867 recorded uses. The U.S. birth records first list this spelling for girls in 1880; its largest annual count was 1,209 in 2018. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Thea?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 3,820
867 of 3,315,165 births
Among girls only
1 in 1,850
0.05% of girls
Rank, 2025
#353
of 17,293 girls’ names in use
Coin-flip room size
2,652 kids
Even odds of a second one

Where Thea sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 1003%
School of 50012%

Put another way: gather 2,652 children born in 2025 and it's an even bet that one of them is another Thea. In a class of 30 the chance is Under 1%.

When Theas were born

Half of everyone ever recorded as Thea was born before 2016 — so the typical Thea is around 9 today.

Median birth year
2016
About 9 years old
Biggest decade
2010s
31.9% of all use
Born in the last 25 years
67.5%
A modern name
Recorded since 1950
18,786
People you could plausibly meet
Choose a decade

2010s — 31.9% of all recorded uses (6,408).

Is Thea rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−4
Places dropped
Rank vs 5 years ago
−50
Places dropped
Rank vs 10 years ago
+111
Places climbed
Births vs 10 years ago
1.26×
More babies than then
Share of its own peak
71.7%
Peak was 2018 (1,209)
Years since peak
7
Years
Year-to-year steadiness
Shifting
17.3% average annual change
Best rank ever
#268
2017

Spellings of Thea

Thea is not the most common spelling — Tina is, with 21.5% against Thea's 1.5%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Thea is used

Across 2016–2025, Thea was most concentrated in North Dakota — about 1 in 267 girls, against 1 in 1,298 across all states with data. It was least common in Delaware (1 in 4,762).

21374 per 100,000

Most concentrated

  1. 1North Dakota1 in 267
  2. 2South Dakota1 in 315
  3. 3Montana1 in 426
  4. 4New Hampshire1 in 450
  5. 5Nebraska1 in 500
  6. 6Hawaii1 in 513
  7. 7Iowa1 in 529
  8. 8Idaho1 in 556

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Geographically, Thea is somewhat regional — more concentrated than 71% of the names used widely enough to compare. See the most regional names

Thea around the world

Where Thea ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2025
    #66
    in 2025
  • Scotland
    1974–2025
    #69
    in 2025
  • Northern Ireland
    2004–2025
    #96
    in 2025
  • Ireland
    1993–2025
    #207
    in 2025
  • France
    1903–2025
    #51
    in 2025
  • Norway
    1880–2025
    #49
    in 2025
  • Canada
    1991–2024
    #177
    in 2024
  • South Australia
    1950–2013
    #205
    in 2013
  • New South Wales
    2016–2023
    #95
    in 2023

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Norway, Statistics Canada, Consumer and Business Services (South Australia) and NSW Registry of Births, Deaths & Marriages. ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, SSB, CBS SA, NSW BDM data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Thea

People whose public names include Thea, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Thea in other languages

Cross-language forms and variants of Thea. Linked forms have their own page here.

TeaTéa

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Thea by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#353
Trend vs 5 yrs ago
Down 50
Best rank ever
#268
2017
Peak year
2018
1,209 that year
First recorded
1880
Last recorded
2025
All-time count
20,113
Count in 2025
867

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,889
1924
Peak year
1924
5 that year
First recorded
1924
Last recorded
1924
All-time count
5
Count in 2025
Under 5

Names similar to Thea

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Thea

Not spelling — timing. These names rose, peaked and faded in the same years as Thea, so they read as being from the same moment even when they look nothing alike.

Sibling names for Thea

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Thea