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Thora

Girl name · Old Norse · Scandinavian

Meaningthunder · Old Norse

US rank
#5,917
Syllables
2
Peak
#609 in 1894

20 babies were named Thora in the US in 2025. It has dropped 2,579 places in five years.

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US births per million girls, 1883–2025

05511018831920196020002025

Similar names

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

Did you know?

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

Thora Birch

Famous Thora

Thora Birch

American actress

Choose Thora and your child shares a first name with Thora Birch, an American actress. A ready-made answer when someone asks “Thora, like who?” Thora Birch's Wikipedia article is available in 45 languages, a good sign of just how widely known they are.

Read about Thora Birch on Wikipedia (opens in a new tab)

Photo: Super Festivals from Ft. Lauderdale, USA, CC BY 2.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 80,645 baby girls born in the US in 2025 was named Thora, 20 babies in all. In a typical school of 500 kids, your Thora would very likely be the only one.
  • HistoryThora first shows up in US birth records in 1883, the first year at least 5 babies got it. It has been in use for 142 years since.
  • Best yearIt was far more popular in 1894, when it ranked #609. Today it's #5,917, so it could be due a comeback.
  • Then vs nowThora is 3.2× more common today than it was in 2000. In 2000 it was given to about 1 in 256,410 baby girls; in 2025, about 1 in 80,645.
  • TrendThora has slipped 2,579 places over the last five years and now sits at #5,917. Good news if you want a familiar name that fewer kids will share.
  • MeaningIn Old Norse, Thora means “thunder”. Our records link it to Old Norse and Scandinavian roots.

About the name Thora

Thora is a girl name of Old Norse and Scandinavian origin meaning “thunder”. It has 5 letters and 2 syllables, starting with T and ending in “-ora”. US birth records list Thora for girls from 1883 to 2025, in 118 of those 143 years. Its best year was 1894, when it ranked #609 among girl names. In 2025 it ranked #5,917, with 20 babies.

Origin:Old Norse namesScandinavian names

Thora for girls, by decade
DecadeBabies per millionAbout 1 in
1880s4721,387 girls
1890s7313,763 girls
1900s6814,646 girls
1910s6814,791 girls
1920s3627,632 girls
1930s1952,192 girls
1940s9.7102,775 girls
1950s5.3189,394 girls
1960s2.3436,681 girls
1970s2.3438,596 girls
1980s0.33,333,333 girls
1990s0.71,492,537 girls
2000s4.5223,714 girls
2010s1376,511 girls
2020s2245,283 girls

More Old Norse girl names

Questions about the name Thora

What does the name Thora mean?

Thora means “thunder” in Old Norse.

What is the origin of the name Thora?

Thora has Old Norse, Scandinavian roots in our records. Other Old Norse names include Freya, Astrid, Liv.

Is Thora a boy or girl name?

Thora is a girl name.

How popular is the name Thora?

Thora ranked #5,917 for US girls in 2025, given to 20 babies. Its best year was 1894 (#609).