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Thanh

UnisexBoys' nameGirls' name

Blue, green, young

Thanh has been given to 1,749 babies in the U.S. since 1976. 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 1982, with 74 recorded. It's used for both sexes: 63% boys, 37% girls all-time.

Babies named Thanh, 2021

1 in 678,000

Thanh over time, 1880–2025

BoysGirls
02040608018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 — Thanh over time

In 2021, Thanh went to 0% girls and 100% boys.

19762021

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.

Thanh: meaning, origin, and history

Blue, green, young

Chinese

What Thanh means

Thanh means “blue, green, young”.

Documented naming usage and pronunciation

Thanh is used in Vietnamese.

Another recorded pronunciation is /tʰajŋ̟˧˧/ and /tʰan˧˧/ for Thanh.

Origin, language, and formation

Thanh is used in Vietnamese. Its origins include Chinese.

Pronunciation and spelling

In Vietnamese, Thanh is pronounced [tʰajŋ̟˧˧].

American usage and historical context

In the United States, 1,099 boys were recorded with the name Thanh between 1976 and 2021. Its highest annual count was 74 in 1982; its best national rank was #1,061 in 1982.

In the United States, 650 girls were recorded with the name Thanh between 1976 and 2014. Its highest annual count was 40 in 1985; its best national rank was #2,482 in 1985.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Thanh?

Thanh had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021
1 in 678,000
5 of 3,389,958 births
Among boys only
1 in 350,000
<0.01% of boys
Rank, 2021
Unranked
Fewer than 5 uses
Coin-flip room size
469,949 kids
Even odds of a second one

Where Thanh sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2021 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 469,949 children born in 2021 and it's an even bet that one of them is another Thanh. In a class of 30 the chance is Under 1%.

When Thanhs were born

Half of everyone ever recorded as Thanh was born before 1989 — so the typical Thanh is around 36 today.

Median birth year
1989
About 36 years old
Biggest decade
1980s
44.9% of all use
Born in the last 25 years
25.9%
Spread across generations
Recorded since 1950
1,099
People you could plausibly meet
Choose a decade

1980s — 44.9% of all recorded uses (494).

Is Thanh 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 1982 (74)
Years since peak
43
Years
Year-to-year steadiness
Volatile
29.8% average annual change
Best rank ever
#1,061
1982

Spellings of Thanh

Thanh is not the most common spelling — Ethan is, with 65.8% against Thanh's 0.15%.

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 Thanh is used — boys

Across 1910–2025, Thanh was most concentrated in California — about 1 in 50,000 boys, against 1 in 106,393 across all states with data. It was least common in Massachusetts (1 in —).

02 per 100,000

Most concentrated

  1. 1California1 in 50,000
  2. 2Louisiana1 in 100,000
  3. 3Texas1 in 100,000
  4. 4Colorado1 in —
  5. 5Massachusetts1 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. Thanh has too little recent state data to map, so this covers all years from 1910.

Where Thanh is used — girls

Across 1910–2025, Thanh was most concentrated in California — about 1 in 100,000 girls, against 1 in 202,482 across all states with data. It was least common in Texas (1 in —).

01 per 100,000

Most concentrated

  1. 1California1 in 100,000
  2. 2Pennsylvania1 in —
  3. 3Texas1 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. Thanh has too little recent state data to map, so this covers all years from 1910.

Thanh around the world

Where Thanh 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 & Wales
    1996–2011
    #4,647
    in 2011
  • France
    1956–2024
    #5,824
    in 2024
  • Norway
    1880–2001
    #483
    in 2001
  • Canada
    1991–2007
    #2,209
    in 2007
  • South Australia
    1978–2013
    #754
    in 2013

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Norway, 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. SSB, CBS SA data under CC BY 4.0. StatCan data under Statistics Canada Open Licence.

Thanh by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#1,061
1982
Peak year
1982
74 that year
First recorded
1976
Last recorded
2021
All-time count
1,099
Count in 2025
Under 5

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#2,482
1985
Peak year
1985
40 that year
First recorded
1976
Last recorded
2014
All-time count
650
Count in 2025
Under 5

Names similar to Thanh

Matched on shared beginnings and endings, similar length, and comparable popularity.

ThangThaiThaneThayerThayneThadeusThaoThadTharonThadeoThaddaeusAnhThaxtonThaddKhanhThadiusThatcherThaineThaddiusThailandThaerThanosThalesThamas

Sibling names for Thanh

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Thanh

Top names of 1982, Thanh's peak yearThe 1980s in fullOther names that peaked in 1982Boys' names starting with TVietnamese Boy NamesVietnamese Girl NamesVietnamese Names