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Delta

#2,337 in 2025Girls' name

Meaning and linguistic origin unconfirmed

Delta has been given to 4,476 babies in the U.S. since 1883. In 2025 it ranked #2,337 of 17,293 girls’ names in use. Its peak year was 2019, with 136 recorded.

Babies named Delta, 2025

1 in 42,500

Delta over time, 1880–2025

GirlsBoys
05010015018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Delta: meaning, origin, and history

Meaning and linguistic origin unconfirmed

Deeper origin not confirmed in the cited records

What Delta means

Delta is a given name.

The naming story behind Delta

Wikidata records Delta as a given name. The entity identifier is Q112252142, 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, 4,368 girls were recorded with the name Delta between 1883 and 2025. Its highest annual count was 136 in 2019; its best national rank was #723 in 1893.

Over 5 years its rank fell, from #1,705 in 2020 to #2,337 in 2025. Over 10 years its rank rose, from #3,863 in 2015 to #2,337 in 2025.

In the United States, 108 boys were recorded with the name Delta between 1908 and 2023. Its highest annual count was 8 in 1955; its best national rank was #1,428 in 1908.

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 Delta?

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

Among all babies, 2025
1 in 42,500
78 of 3,315,165 births
Among girls only
1 in 20,600
<0.01% of girls
Rank, 2025
#2,337
of 17,293 girls’ names in use
Coin-flip room size
29,461 kids
Even odds of a second one

Where Delta 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 5001%

Put another way: gather 29,461 children born in 2025 and it's an even bet that one of them is another Delta. In a class of 30 the chance is Under 1%.

When Deltas were born

Half of everyone ever recorded as Delta was born before 1956 — so the typical Delta is around 69 today.

Median birth year
1956
About 69 years old
Biggest decade
2020s
12.7% of all use
Born in the last 25 years
25.5%
Spread across generations
Recorded since 1950
2,372
People you could plausibly meet
Choose a decade

2020s — 12.7% of all recorded uses (554).

Is Delta 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
−68
Places dropped
Rank vs 5 years ago
−632
Places dropped
Rank vs 10 years ago
+1,526
Places climbed
Births vs 10 years ago
2.00×
More babies than then
Share of its own peak
57.4%
Peak was 2019 (136)
Years since peak
6
Years
Year-to-year steadiness
Volatile
38.5% average annual change
Best rank ever
#723
1893

Spellings of Delta

Delta is not the most common spelling — Debra is, with 27.8% against Delta's 0.22%.

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 Delta is used

Across 2016–2025, Delta was most concentrated in Mississippi — about 1 in 2,174 girls, against 1 in 26,027 across all states with data. It was least common in Pennsylvania (1 in 100,000).

146 per 100,000

Most concentrated

  1. 1Mississippi1 in 2,174
  2. 2Arkansas1 in 3,333
  3. 3Oregon1 in 12,500
  4. 4Wisconsin1 in 12,500
  5. 5Oklahoma1 in 14,286
  6. 6Louisiana1 in 16,667
  7. 7Iowa1 in 20,000
  8. 8Tennessee1 in 20,000

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.

Delta around the world

Where Delta 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
    #4,867
    in 2025
  • Canada
    1991–2024
    #3,457
    in 2024
  • South Australia
    1974–2013
    #818
    in 2013

Popularity data from Office for National Statistics, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Delta

People whose public names include Delta, 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.

Delta by the numbers

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

As a girl's name

Rank in 2025
#2,337
Trend vs 5 yrs ago
Down 632
Best rank ever
#723
1893
Peak year
2019
136 that year
First recorded
1883
Last recorded
2025
All-time count
4,368
Count in 2025
78

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#1,428
1908
Peak year
1955
8 that year
First recorded
1908
Last recorded
2023
All-time count
108
Count in 2025
Under 5

Names similar to Delta

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

DelanaDelilaDelenaDelaniDelphiaDelinaDelfinaDelanieDelmyDelanyDelmaDelcieDeliahDeliciaDelaineDeliaDelisaDeloraDelylahDelainaDellDelylaDeloisDelmi

Names with a curve like Delta

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

CarlotaMaidaLennaLaviniaCleopatraIraAraEnaRosalineRafaelaOlympiaEloisa

Sibling names for Delta

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 Delta

Top names of 2019, Delta's peak yearThe 2010s in fullOther names that peaked in 1893Girls' names starting with DWater-Inspired Girl Names