Coi
The Story of Coi
As a girl name
Coi first appeared in U.S. Social Security Administration records as a girl name in 1999, with 5 babies given the name that year. Its peak popularity came in 2026, when 26 Cois were born — ranking #4,997 that year. As of 2026, Coi ranks #4,997 for girls with 26 births, with steady use. In total, more than 151 Cois have been born in the U.S. since records began in 1880, spanning the 1990s through the 2020s.
As a boy name
Coi first appeared in U.S. Social Security Administration records as a boy name in 1996, with 5 babies given the name that year. Its peak popularity came in 2021, when 13 Cois were born — ranking #6,335 that year. As of 2026, Coi ranks #9,864 for boys with 7 births, with steady use. In total, more than 65 Cois have been born in the U.S. since records began in 1880, spanning the 1990s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Coi
Phonetically similar names — useful when Coi is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Coi
What does the name Coi mean?
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About the name Coi
Coi is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1999 and has accumulated 151 births in the dataset. Coi's peak popularity came in 2026 when it ranked #4,997. Use the chart and map above to compare Coi's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2026 →
- Names of the 2020s →
- Names starting with "C" →
- Browse all girl names →
- Top names of 2026 →
- Browse unisex names →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.