Kaydyn
The Story of Kaydyn
As a girl name
Kaydyn first appeared in U.S. Social Security Administration records as a girl name in 2000, with 5 babies given the name that year. Its peak popularity came in 2009, when 24 Kaydyns were born — ranking #5,709 that year. As of 2026, Kaydyn ranks #15,532 for girls with 5 births, with steady use. In total, more than 228 Kaydyns have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.
As a boy name
Kaydyn first appeared in U.S. Social Security Administration records as a boy name in 2003, with 5 babies given the name that year. Its peak popularity came in 2009, when 29 Kaydyns were born — ranking #3,639 that year. As of 2026, Kaydyn ranks #7,357 for boys with 9 births, falling sharply (-28%). In total, more than 356 Kaydyns have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Kaydyn
Phonetically similar names — useful when Kaydyn 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 Kaydyn
What does the name Kaydyn mean?
How popular is Kaydyn in 2026?
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In which U.S. states is Kaydyn most popular?
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About the name Kaydyn
Kaydyn is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2003 and has accumulated 356 births in the dataset. Kaydyn's peak popularity came in 2009 when it ranked #3,639. Use the chart and map above to compare Kaydyn'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 "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.