Thea
Thea was the number 66 most popular girls' name in England and Wales in 2024, given to 686 babies that year, according to the Office for National Statistics. It moved down 3 places from rank 63 in 2023. As general background, Thea is usually said to be of various traditions origin, meaning an established given name with roots across several naming traditions. The popularity figures are the real ONS count and rank; the meaning is widely attested etymology, not a claim about any individual.
Thea in the ONS data
| ONS rank (2024, England and Wales) | 66 of the girls' names |
| Babies given this name (2024) | 686 |
| Registered as a | girl's name |
| Change since 2023 | down 3 places from rank 63 in 2023 |
Source: ONS Baby names in England and Wales, 2024 edition, released 2025-07-31. Accessed 2026-06-14. The rank and count are the real ONS figures for England and Wales. Refreshed each year on the ONS release.
What Thea means
Thea is an established given name with roots across several naming traditions. We only publish a specific meaning and origin once it is well attested in established naming references, so a fuller etymology for Thea is added as our reference is extended. The ONS popularity figures above are unaffected: they are the real, sourced numbers.
Meanings and origins are general background, not ONS data and not advice.
Thea also appears in these lists
Thea is one of our picks for these baby name themes, all drawn from the ONS 2024 top 50.
Names like Thea
Other ONS top-50 names that share a theme with Thea.
Nearby in the girls' ranking
- 65. Erin
- 66. Thea
- 67. Eleanor
Names and Family Data Desk, BabyData
BabyData's editorial desk builds and documents the tools, citing the underlying rule and the official UK dataset behind every number. Pregnancy-related tools are editorially reviewed against NHS and gov.uk guidance before publication.
Last reviewed: 12 June 2026