Charlotte Girl
SHAHR-luht
“free man” · French
#2
Indigo
UnisexEnglish, Greek· “indigo dye; from India”
- Meaning
- indigo dye; from India
- Origin
- English, Greek
- Pronunciation
- IN-dih-goh
- Syllables
- 3
- US rank 2025
- #854
- US babies 2025
- 318
- Best rank
- #854 (2025)
- Peak year
- 2025
Meaning and origin of Indigo
Indigo is an English and Greek name that means “indigo dye; from India”.
Indigo comes from the name of a deep blue dye, which reached English through Spanish and Portuguese from the Greek indikon, meaning from India. The dye was prized for centuries and became a major trade good. Isaac Newton included indigo as one of the colors of the rainbow. As a given name, Indigo is used for both boys and girls, and it has an artistic, bohemian feel. It is unusual but easy to pronounce. Indie and Indy are possible nicknames, and the name pairs well with simple middle names.
Popularity over time
Indigo first appears in US Social Security records in 1971. It has ranked in the top 1,000 in 5 different years, starting in 2021. It is at its all-time high right now: 2025 brought both its best national rank, #854, and its highest count, 318 babies. Use has grown 165% in ten years.
Its national rank moved from #2,750 in 2000, #2,794 in 2010, and #854 in 2025. Of the 4,020 US girls named Indigo since records began, 42% were born in the 2020s, its biggest decade. The 2010s come next, with 1,148 babies.
Other babies' names that peaked around the same time include Everest, Indy, Denim, Laken, and Isa.
Where it is most popular (2025)
In 2025, Indigo ranked highest in Idaho, Wisconsin, and Utah.
Gender, sound and spelling
Indigo is used for both boys and girls: over the last 20 years about 75% of US babies named Indigo were girls and 25% were boys.
Indigo is usually pronounced IN-dih-goh, with three syllables. It has six letters, starts with I and ends in “-go”.
Middle names for Indigo
A few middle names that flow with Indigo: each avoids a matching first letter, a rhyme and a vowel clash where the names meet.
Sibling names for Indigo
Similar names
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Lists that include Indigo
Frequently asked questions
What does the name Indigo mean?
Indigo is an English and Greek name that means “indigo dye; from India”.
What is the origin of the name Indigo?
Indigo has English and Greek roots. Indigo comes from the name of a deep blue dye, which reached English through Spanish and Portuguese from the Greek indikon, meaning from India.
Is Indigo a popular name?
Yes. Indigo ranked #854 in the US in 2025, which makes it in the top 1,000.
Is Indigo a boy or girl name?
Indigo is used for both boys and girls: over the last 20 years about 75% of US babies named Indigo were girls and 25% were boys.
How do you pronounce Indigo?
Indigo is usually pronounced IN-dih-goh. Stressed syllables are in capital letters.
Popularity figures come from US Social Security card applications (names given to at least five babies in a year, 1880 to 2025). How we source names and meanings