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Indigo

#854 in 2025UnisexGirls' nameBoys' name

English word name: indigo

Indigo has been given to 5,242 babies in the U.S. since 1971. In 2025 it ranked #854 of 17,293 girls’ names in use. Its peak year was 2025, with 318 recorded. It's used for both sexes: 77% girls, 23% boys all-time.

Babies named Indigo, 2025

1 in 10,400

Indigo over time, 1880–2025

GirlsBoys
010020030040018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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

In 2025, Indigo went to 74% girls and 26% boys.

19712025

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.

Indigo: meaning, origin, and history

English word name: indigo

Deeper origin not confirmed in the cited records

What Indigo means

Indigo is documented as an English vocabulary word adopted as a personal name. Its immediate reference is the word indigo; the cited entry discusses the word history separately from its use as a given name.

Origin, language, and formation

Indigo is used in English.

American usage and historical context

In the United States, 4,020 girls were recorded with the name Indigo between 1971 and 2025. Its highest annual count was 318 in 2025; its best national rank was #854 in 2025.

Over 5 years its rank rose, from #1,028 in 2020 to #854 in 2025. Over 10 years its rank rose, from #1,747 in 2015 to #854 in 2025.

In the United States, 1,222 boys were recorded with the name Indigo between 1994 and 2025. Its highest annual count was 118 in 2022; its best national rank was #1,528 in 2022.

Over 5 years its rank rose, from #1,985 in 2020 to #1,531 in 2025. Over 10 years its rank rose, from #2,394 in 2015 to #1,531 in 2025.

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 Indigo?

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

Among all babies, 2025
1 in 10,400
318 of 3,315,165 births
Among girls only
1 in 5,050
0.02% of girls
Rank, 2025
#854
of 17,293 girls’ names in use
Coin-flip room size
7,227 kids
Even odds of a second one

Where Indigo 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 5005%

Put another way: gather 7,227 children born in 2025 and it's an even bet that one of them is another Indigo. In a class of 30 the chance is Under 1%.

When Indigos were born

Half of everyone ever recorded as Indigo was born before 2018 — so the typical Indigo is around 7 today.

Median birth year
2018
About 7 years old
Biggest decade
2020s
42.1% of all use
Born in the last 25 years
84.2%
A modern name
Recorded since 1950
4,020
People you could plausibly meet
Choose a decade

2020s — 42.1% of all recorded uses (1,693).

Is Indigo 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
+67
Places climbed
Rank vs 5 years ago
+174
Places climbed
Rank vs 10 years ago
+893
Places climbed
Births vs 10 years ago
2.65×
More babies than then
Share of its own peak
100.0%
Peak was 2025 (318)
Years since peak
Peaking now
At its all-time high
Year-to-year steadiness
Shifting
13.6% average annual change
Best rank ever
#854
2025

Spellings of Indigo

Indigo is not the most common spelling — India is, with 65.9% against Indigo's 11.0%.

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 Indigo is used — girls

Across 2016–2025, Indigo was most concentrated in Oregon — about 1 in 2,857 girls, against 1 in 6,718 across all states with data. It was least common in Oklahoma (1 in 33,333).

335 per 100,000

Most concentrated

  1. 1Oregon1 in 2,857
  2. 2Utah1 in 3,030
  3. 3Colorado1 in 3,571
  4. 4Washington1 in 4,167
  5. 5South Carolina1 in 4,545
  6. 6Hawaii1 in 5,000
  7. 7Nevada1 in 5,000
  8. 8Georgia1 in 5,263

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.

Where Indigo is used — boys

Across 2016–2025, Indigo was most concentrated in Colorado — about 1 in 8,333 boys, against 1 in 28,304 across all states with data. It was least common in Pennsylvania (1 in 100,000).

112 per 100,000

Most concentrated

  1. 1Colorado1 in 8,333
  2. 2Oregon1 in 12,500
  3. 3California1 in 14,286
  4. 4Florida1 in 25,000
  5. 5Washington1 in 25,000
  6. 6Michigan1 in 33,333
  7. 7Wisconsin1 in 33,333
  8. 8Arizona1 in 50,000

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.

Indigo around the world

Where Indigo 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
    #483
    in 2025
  • Scotland
    2011–2025
    #780
    in 2025
  • Ireland
    2016–2025
    #718
    in 2025
  • France
    2004–2004
    #5,957
    in 2004
  • Canada
    2000–2024
    #1,854
    in 2024
  • South Australia
    1985–2013
    #120
    in 2013

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.

Indigo by the numbers

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

As a girl's name

Rank in 2025
#854
Trend vs 5 yrs ago
Up 174
Best rank ever
#854
2025
Peak year
2025
318 that year
First recorded
1971
Last recorded
2025
All-time count
4,020
Count in 2025
318

As a boy's name

Rank in 2025
#1,531
Trend vs 5 yrs ago
Up 454
Best rank ever
#1,528
2022
Peak year
2022
118 that year
First recorded
1994
Last recorded
2025
All-time count
1,222
Count in 2025
113

Names similar to Indigo

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

IndiraIndieIndianaIndyaIndicaIndyIndraIndiaIndiIndiyaIndiyahIndyiaIndeeIndiahIndyahIndaIndiannaIndikaIndriaIndeyaIndeaIndonesiaIndraniIndsay

Names with a curve like Indigo

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

AspynOceanMaisySolAleiaNyomiKeilaniDenverYusraAilaWaverlyEzra

Sibling names for Indigo

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

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