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Dia

#4,196 in 2025UnisexGirls' nameBoys' name

Meaning and linguistic origin unconfirmed

Dia has been given to 2,367 babies in the U.S. since 1948. In 2025 it ranked #4,196 of 17,293 girls’ names in use. Its peak year was 2015, with 62 recorded. It's used for both sexes: 95% girls, 5% boys all-time.

Babies named Dia, 2025

1 in 97,500

Dia over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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

In 2025, Dia went to 100% girls and 0% boys.

19482025

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.

Dia: meaning, origin, and history

Meaning and linguistic origin unconfirmed

Deeper origin not confirmed in the cited records

What Dia means

Dia is a given name.

The naming story behind Dia

Wikidata records Dia as a male given name. The entity identifier is Q65089060, and the classification was checked on 2026-10-20. The spelling matches a source label or alias exactly, without removing accents or linking it to a name merely because the letters look similar.

A database classification is different from an etymological explanation, so those questions remain open in the short meaning.

A modern root explanation needs an additional naming or linguistic reference.

American usage and historical context

In the United States, 2,250 girls were recorded with the name Dia between 1948 and 2025. Its highest annual count was 62 in 2015; its best national rank was #1,817 in 1968.

Over 5 years its rank fell, from #3,193 in 2020 to #4,196 in 2025. Over 10 years its rank fell, from #2,820 in 2015 to #4,196 in 2025.

In the United States, 117 boys were recorded with the name Dia between 1971 and 2024. Its highest annual count was 14 in 1972; its best national rank was #2,565 in 1972.

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.

How common is Dia?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 97,500
34 of 3,315,165 births
Among girls only
1 in 47,300
<0.01% of girls
Rank, 2025
#4,196
of 17,293 girls’ names in use
Coin-flip room size
67,586 kids
Even odds of a second one

Where Dia sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

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.

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

Put another way: gather 67,586 children born in 2025 and it's an even bet that one of them is another Dia. In a class of 30 the chance is Under 1%.

When Dias were born

Half of everyone ever recorded as Dia was born before 1995 — so the typical Dia is around 30 today.

Median birth year
1995
About 30 years old
Biggest decade
2010s
21.7% of all use
Born in the last 25 years
45.2%
Spread across generations
Recorded since 1950
2,245
People you could plausibly meet
Choose a decade

2010s — 21.7% of all recorded uses (489).

Is Dia 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
−62
Places dropped
Rank vs 5 years ago
−1,003
Places dropped
Rank vs 10 years ago
−1,376
Places dropped
Births vs 10 years ago
0.55×
Fewer babies than then
Share of its own peak
54.8%
Peak was 2015 (62)
Years since peak
10
Years
Year-to-year steadiness
Steady
10.8% average annual change
Best rank ever
#1,817
1968

Where Dia is used

Across 1910–2025, Dia was most concentrated in California — about 1 in 100,000 girls, against 1 in 205,050 across all states with data. It was least common in Pennsylvania (1 in —).

01 per 100,000

Most concentrated

  1. 1California1 in 100,000
  2. 2New Jersey1 in 100,000
  3. 3Texas1 in 100,000
  4. 4Florida1 in —
  5. 5Georgia1 in —
  6. 6Illinois1 in —
  7. 7Maryland1 in —
  8. 8Michigan1 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. Dia has too little recent state data to map, so this covers all years from 1910.

Dia around the world

Where Dia 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
    2003–2025
    #2,788
    in 2025
  • Scotland
    2025–2025
    #780
    in 2025
  • Ireland
    2011–2015
    #896
    in 2015
  • France
    1981–2025
    #5,749
    in 2025
  • Canada
    2006–2024
    #1,615
    in 2024
  • South Australia
    2010–2011
    #840
    in 2011

Popularity data from Office for National Statistics, National Records of Scotland, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS 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.

Notable people named Dia

People whose public names include Dia, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Dia in other languages

Cross-language forms and variants of Dia. Linked forms have their own page here.

DeaAdiaDaiaDianDivaDiana

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Dia by the numbers

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

As a girl's name

Rank in 2025
#4,196
Trend vs 5 yrs ago
Down 1,003
Best rank ever
#1,817
1968
Peak year
2015
62 that year
First recorded
1948
Last recorded
2025
All-time count
2,250
Count in 2025
34

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#2,565
1972
Peak year
1972
14 that year
First recorded
1971
Last recorded
2024
All-time count
117
Count in 2025
Under 5

Names similar to Dia

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

AdiaDiaraDianNidiaSadiaDialaElodiaDianiHadiaDiarraAcadiaElidiaLidiaYuridiaDiandraDiannNydiaEndiaShadiaSaadiaFrediaAlydiaDianiaGoldia

Names with a curve like Dia

Not spelling — timing. These names rose, peaked and faded in the same years as Dia, so they read as being from the same moment even when they look nothing alike.

SilvanaZenaidaSeptemberMelodiCaterinaJoieNeelyTovaBlytheJoriTalithaBronwyn

Sibling names for Dia

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 Dia

Top names of 2015, Dia's peak yearThe 2010s in fullOther names that peaked in 1968Girls' names starting with D