Thao
UnisexGirls' nameBoys' nameMeaning not yet documented
Thao has been given to 1,237 babies in the U.S. since 1975. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1984, with 58 recorded. It's used for both sexes: 84% girls, 16% boys all-time.
Babies named Thao, 2017
1 in 715,000
Thao 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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Thao over time
In 2025, Thao went to 0% girls and 100% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Thao?
Thao had fewer than 5 recorded uses in 2025, so these figures use 2017, the last year it was published.
- Among all babies, 2017
- 1 in 715,000
- 5 of 3,577,106 births
- Among girls only
- 1 in 345,000
- <0.01% of girls
- Rank, 2017
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 495,893 kids
- Even odds of a second one
Where Thao sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2017 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 495,893 children born in 2017 and it's an even bet that one of them is another Thao. In a class of 30 the chance is Under 1%.
When Thaos were born
Half of everyone ever recorded as Thao was born before 1990 — so the typical Thao is around 35 today.
- Biggest decade
- 1980s
- 40.8% of all use
- Born in the last 25 years
- 39.8%
- Spread across generations
- Recorded since 1950
- 1,040
- People you could plausibly meet
1980s — 40.8% of all recorded uses (424).
Is Thao 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
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1984 (58)
- Years since peak
- 41
- Years
- Year-to-year steadiness
- Shifting
- 23.4% average annual change
Spellings of Thao
Thao is not the most common spelling — Tia is, with 32.4% against Thao's 1.00%.
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 Thao is used — girls
Across 1910–2025, Thao was most concentrated in California — about 1 in 50,000 girls, against 1 in 83,418 across all states with data. It was least common in Washington (1 in —).
Most concentrated
- 1California1 in 50,000
- 2Louisiana1 in 100,000
- 3Texas1 in 100,000
- 4Colorado1 in —
- 5Washington1 in —
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. Thao has too little recent state data to map, so this covers all years from 1910.
Where Thao is used — boys
Across 1910–2025, Thao was most concentrated in California — about 1 in — boys, against 1 in 332,807 across all states with data. It was least common in Minnesota (1 in —).
Most concentrated
- 1California1 in —
- 2Minnesota1 in —
Shading is the share of that state's recorded boys 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. Thao has too little recent state data to map, so this covers all years from 1910.
Thao around the world
Where Thao 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 & Wales1998–2024#5,892in 2024
- France1996–2024#6,194in 2024
- Canada1991–2007#2,743in 2007
- South Australia1982–2013#818in 2013
Popularity data from Office for National Statistics, 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. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.
Thao by the numbers
The raw record for each sex the name is used for.
As a girl's name
Names similar to Thao
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Thao
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.