Indigo
Girl name · #854 in 2025 · Rare
How old is the name Indigo? In official American birth records, Indigo has been tracked continuously since 1971, giving it 54 years of documented American history.
Indigo is currently the #854 girl name in the United States — 318 babies received it in 2025. A decade ago it stood at #1743, so the name has been rising over the past ten years. Roughly one in every 5,660 girls born in 2025 was named Indigo.
The 54-year story
Indigo first appears in the Social Security records in 1971, when 5 girls received the name. Its all-time peak is essentially right now: 2025, with 318 babies and a rank of #853. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Indigo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Indigo against up to 5 other names.
Uniqueness: will there be another Indigo in class?
On our rarity read — which blends how common Indigo is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Indigo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Indigo is most common
Geography matters for names, and Indigo is no exception. Adjusted for how many girls are born in each state, Indigo is most common in WI (0.5 per 1,000), MO (0.5 per 1,000), CO (0.4 per 1,000), PA (0.4 per 1,000), AZ (0.4 per 1,000) — against a national average of about 0.2 per 1,000 girls. These are per-capita rates, so they show where Indigo is a genuine regional favorite rather than just where the most babies are born.
Names like Indigo
Statistically, parents drawn to Indigo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Inaya, Imogen, Ivey, Maizie, and Odette.
InayaImogenIveyMaizieOdetteInaraQuincyCielo
Rank history (last 25 years)
| Year | Babies named Indigo | Rank |
|---|---|---|
| 2025 | 318 | #853 |
| 2024 | 289 | #919 |
| 2023 | 270 | #961 |
| 2022 | 272 | #978 |
| 2021 | 300 | #901 |
| 2020 | 244 | #1027 |
| 2019 | 191 | #1229 |
| 2018 | 169 | #1335 |
| 2017 | 167 | #1379 |
| 2016 | 123 | #1719 |
| 2015 | 120 | #1743 |
| 2014 | 111 | #1830 |
| 2013 | 82 | #2259 |
| 2012 | 58 | #2935 |
| 2011 | 64 | #2725 |
| 2010 | 63 | #2781 |
| 2009 | 68 | #2672 |
| 2008 | 59 | #2957 |
| 2007 | 55 | #3125 |
| 2006 | 65 | #2728 |
| 2005 | 64 | #2636 |
| 2004 | 65 | #2556 |
| 2003 | 71 | #2346 |
| 2002 | 51 | #2888 |
| 2001 | 46 | #3046 |
Frequently asked questions
How old is the name Indigo?
In official American birth records, the name Indigo first appeared in 1971 (over 54 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 54 years.
Is Indigo a popular girl name?
Indigo ranked #854 among girls in 2025 with 318 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1743.
When was the name Indigo most popular?
Indigo peaked in 2025, when 318 American girls received the name (ranked #853 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Indigo?
In 2025, roughly 1 in 5,660 newborn American girls was named Indigo. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.