Thia
#11,833 in 2025Girls' nameMeaning not yet documented
Thia has been given to 339 babies in the U.S. since 1962. In 2025 it ranked #11,833 of 17,293 girls’ names in use. Its peak year was 2019, with 17 recorded.
Babies named Thia, 2025
1 in 414,000
Thia over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Thia?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 414,000
- 8 of 3,315,165 births
- Among girls only
- 1 in 201,000
- <0.01% of girls
- Rank, 2025
- #11,833
- of 17,293 girls’ names in use
- Coin-flip room size
- 287,238 kids
- Even odds of a second one
Where Thia sits on the popularity scale
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.
Put another way: gather 287,238 children born in 2025 and it's an even bet that one of them is another Thia. In a class of 30 the chance is Under 1%.
When Thias were born
Half of everyone ever recorded as Thia was born before 2010 — so the typical Thia is around 15 today.
- Biggest decade
- 2010s
- 32.7% of all use
- Born in the last 25 years
- 59.3%
- A modern name
- Recorded since 1950
- 339
- People you could plausibly meet
2010s — 32.7% of all recorded uses (111).
Is Thia 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
- −2,937
- Places dropped
- Rank vs 5 years ago
- −827
- Places dropped
- Rank vs 10 years ago
- +7,035
- Places climbed
- Births vs 10 years ago
- 1.60×
- More babies than then
- Share of its own peak
- 47.1%
- Peak was 2019 (17)
- Years since peak
- 6
- Years
- Year-to-year steadiness
- Volatile
- 44.7% average annual change
Spellings of Thia
Thia is not the most common spelling — Mia is, with 19.8% against Thia's 0.02%.
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.
Thia around the world
Where Thia 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 & Wales2001–2025#4,867in 2025
- Ireland2010–2010#910in 2010
- France2001–2025#3,762in 2025
- Canada2019–2019#3,150in 2019
- South Australia2010–2010#801in 2010
Popularity data from Office for National Statistics, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.
Thia by the numbers
The raw record for each sex the name is used for.
Names similar to Thia
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Thia
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.