Kayin
The Story of Kayin
As a girl name
Kayin first appeared in U.S. Social Security Administration records as a girl name in 2001, with 7 babies given the name that year. Its peak popularity came in 2005, when 11 Kayins were born — ranking #9,452 that year. As of 2026, Kayin ranks #11,156 for girls with 8 births, with steady use. In total, more than 82 Kayins have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.
As a boy name
Kayin first appeared in U.S. Social Security Administration records as a boy name in 1977, with 7 babies given the name that year. Its peak popularity came in 2001, when 31 Kayins were born — ranking #2,931 that year. As of 2026, Kayin ranks #7,285 for boys with 11 births, with steady use. In total, more than 540 Kayins have been born in the U.S. since records began in 1880, spanning the 1970s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Kayin
Phonetically similar names — useful when Kayin 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 Kayin
What does the name Kayin mean?
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In which U.S. states is Kayin most popular?
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About the name Kayin
Kayin is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1977 and has accumulated 540 births in the dataset. Kayin's peak popularity came in 2001 when it ranked #2,931. Use the chart and map above to compare Kayin's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2001 →
- Names of the 2000s →
- Names starting with "K" →
- Browse all boy 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.