Cailyn
Cailyn is a name with a single cultural origin: English.
- English
Meaning & Origin of Cailyn
What this name means, where it came from, and how it has traveled across cultures.
Cailyn is a name with a single cultural origin: English.
Origin data from Behind the Name .
Cultural Origins (via Behind the Name)
- English
The Story of Cailyn
Cailyn first appeared in U.S. Social Security Administration records as a baby girl name in 1979, with 5 babies given the name that year. Its peak popularity came in 2009, when 401 Cailyns were born — ranking #722 that year. As of 2026, Cailyn ranks #3,437 for baby girls with 45 births, falling sharply (-26%). In total, more than 6K Cailyns have been born in the U.S. since records began in 1880, spanning the 1970s through the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Cailyn
Foreign forms, alternate spellings, and nicknames that share roots with Cailyn. Linked entries have a profile on Peek a Name.
Names that sound like Cailyn
Phonetically similar names — useful when Cailyn 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 Cailyn
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About the name Cailyn
Cailyn is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1979 and has accumulated 6K births in the dataset. Cailyn's peak popularity came in 2009 when it ranked #722. Use the chart and map above to compare Cailyn's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2009 →
- Names of the 2000s →
- Names starting with "C" →
- Browse all girl names →
- Top names of 2026 →
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.