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.
Found on lists
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1883–2025
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.
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
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1880s | 47 | 21,387 girls |
| 1890s | 73 | 13,763 girls |
| 1900s | 68 | 14,646 girls |
| 1910s | 68 | 14,791 girls |
| 1920s | 36 | 27,632 girls |
| 1930s | 19 | 52,192 girls |
| 1940s | 9.7 | 102,775 girls |
| 1950s | 5.3 | 189,394 girls |
| 1960s | 2.3 | 436,681 girls |
| 1970s | 2.3 | 438,596 girls |
| 1980s | 0.3 | 3,333,333 girls |
| 1990s | 0.7 | 1,492,537 girls |
| 2000s | 4.5 | 223,714 girls |
| 2010s | 13 | 76,511 girls |
| 2020s | 22 | 45,283 girls |
More Old Norse girl names
- Girl name: Freya · lady
- Girl name: Astrid · divine beauty
- Girl name: Liv · protection
- Girl name: Erika · eternal ruler
- Girl name: Ingrid · beautiful Ing
- Girl name: Freja · lady
- Girl name: Sigrid · beautiful victory
- Girl name: Dagny · new day
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).