Unisex name · since 1999
Coi
120 babies named Coi in U.S. Social Security records since 1999, with the highest year being 2023. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #25,090 of 72,339
- all-time among girls
- #6,459 of 17,297
- 2025 SSA year
- 120
- born since 1999
- 2020s
- peak decade
Yes -- Coi is the #6459 most popular unisex name in the U.S. today, with 120 recorded since 1999.
Coi has 120 recorded births among girls since 1999, per the U.S. Social Security Administration, ranked #6459 as of the latest data, more common than 63% of girls, busiest in the 2020s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1999 to 2025.
- #25,090 of 72,339 all-time among girls
- #6,459 of 17,297 2025 SSA year
- 120 born since 1999
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Coi ranks #25,090 of 72,339 girls' names by all-time recorded births (highest first) and #6,459 of 17,297 among girls' names in 2025. 120 born since 1999, peaking in the 2020s.
- #25,090 of 72,339
- all-time among girls
- #6,459 of 17,297
- 2025 SSA year
- 120
- born since 1999
- 2020s
- peak decade
Coi's 120 recorded births place it above 65.21% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
How Coi compares
120 28th percentile among 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Coi's all-time total is 68% below the median girls name, and Olivia still leads by a wide margin.
| Metric | Coi | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 120 | 376 | 567,345 |
| Peak-year births | 23 | 21 | 19,840 |
Coi's usage pattern, beyond the headline number
Divide Coi's SSA record in two at 2021 and the more recent half accounts for 82% of all births, the earlier half the remaining 18%, consistent with a name still gaining ground rather than fading. Its calmest year was 1999, with only 5 births recorded -- set against the 2023 peak of 23, that's the full swing in one name's fortunes.
Coi popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1999–2025
- Peak year (2023)
- 23
- Annual births at peak, across 27 years of records
Coi popularity over time - boys
72 total births recorded since 1996 (Coi as boys' name)
Coi by decade
2020s is the heaviest window (105 births, 88% of the file).
2020s was Coi's strongest decade.
105 babies received the name during that ten-year window, about 88% of all-time use.
Coi births by decade
Total births in each ten-year window
- 1990s 5
1990s
5 births
- 2000s 5
2000s
5 births
- 2010s 5
2010s
5 births
- 2020s
2020s
105 births
What this shows Peak: 2020s at 105 births (88% of all-time use).
Frequently Asked Questions
How popular is the name Coi? ▼
Where does Coi sit in the SSA name archive? ▼
When was Coi most popular? ▼
Is Coi a unisex name? ▼
How long has the name Coi been used? ▼
What names are similar to Coi? ▼
Keep exploring Coi
Nearby Names Like Coi
Names with a similar sound, spelling, or feel to Coi
Compare Coi side by side: Coi vs Coila
Related Names
Names with a similar popularity rank to Coi
Nationwide names with similar peak year or record span
Two nationwide peer axes for Coi: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2023)
Similar record span (~26 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1999–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Coi draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.