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Duy

Boys' name

Maintain, preserve, fasten

Duy has been given to 827 babies in the U.S. since 1978. 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 59 recorded.

Babies named Duy, 2024

1 in 669,000

Duy over time, 1880–2025

Boys
020406018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Duy: meaning, origin, and history

Maintain, preserve, fasten

Chinese

What Duy means

Duy means “maintain, preserve, fasten”.

Documented naming usage and pronunciation

Duy is used in Vietnamese.

Another recorded pronunciation is /zwi˧˧/ and /jɪj˧˧/ for Duy.

Origin, language, and formation

Duy is used in Vietnamese. Its origins include Chinese.

Pronunciation and spelling

In Vietnamese, Duy is pronounced [zwi˧˧].

American usage and historical context

In the United States, 827 boys were recorded with the name Duy between 1978 and 2024. Its highest annual count was 59 in 1984; its best national rank was #1,192 in 1984.

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 Duy?

Duy had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.

Among all babies, 2024
1 in 669,000
5 of 3,342,801 births
Among boys only
1 in 345,000
<0.01% of boys
Rank, 2024
Unranked
Fewer than 5 uses
Coin-flip room size
463,412 kids
Even odds of a second one

Where Duy 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 2024 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 463,412 children born in 2024 and it's an even bet that one of them is another Duy. In a class of 30 the chance is Under 1%.

When Duys were born

Half of everyone ever recorded as Duy was born before 1990 — so the typical Duy is around 35 today.

Median birth year
1990
About 35 years old
Biggest decade
1980s
44.0% of all use
Born in the last 25 years
23.8%
Spread across generations
Recorded since 1950
827
People you could plausibly meet
Choose a decade

1980s — 44.0% of all recorded uses (364).

Is Duy 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 (59)
Years since peak
41
Years
Year-to-year steadiness
Volatile
35.6% average annual change
Best rank ever
#1,192
1984

Where Duy is used

Across 1910–2025, Duy was most concentrated in California — about 1 in 100,000 boys, against 1 in 126,654 across all states with data. It was least common in Oregon (1 in —).

01 per 100,000

Most concentrated

  1. 1California1 in 100,000
  2. 2Louisiana1 in 100,000
  3. 3Texas1 in 100,000
  4. 4Oregon1 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. Duy has too little recent state data to map, so this covers all years from 1910.

Duy around the world

Where Duy 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
    1996–2025
    #5,137
    in 2025
  • France
    1979–2019
    #5,130
    in 2019
  • Canada
    1991–2005
    #2,048
    in 2005
  • South Australia
    1982–2011
    #784
    in 2011

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.

Duy 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
#1,192
1984
Peak year
1984
59 that year
First recorded
1978
Last recorded
2024
All-time count
827
Count in 2025
Under 5

Sibling names for Duy

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 Duy

Top names of 1984, Duy's peak yearThe 1980s in fullOther names that peaked in 1984Boys' names starting with DVietnamese Boy Names