Kaislyn
Gender: Girl
Meaning: Pure and clear — unblemished goodness and transparent heart
Origin: Irish/English (variant)
Popularity: Ranked #5157 in 2025 with 25 babies born.
History: A variant or related form of Kaitlyn. Shares the meaning 'Pure, clear.'
Similar names: kaislynn, kailyn, kailynn, kaisyn, kaslynn, kaitlyn, kaitlynn, kaizlyn
Name length: 7 letters
How common is Kaislyn? About 1 in 133,140 babies born in 2025 were named Kaislyn, or roughly 0.1 per day in the United States.
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Frequently asked about Kaislyn
What does the name Kaislyn mean?
Kaislyn means “Pure and clear — unblemished goodness and transparent heart” from Irish/English (variant) roots.
What is the origin of the name Kaislyn?
Kaislyn has Irish/English (variant) origin. The traditional meaning is “Pure and clear — unblemished goodness and transparent heart”.
How popular is Kaislyn?
Kaislyn ranked #5099 in 2025 — given to 25 babies that year.
When was Kaislyn most popular?
Kaislyn peaked in 2019 with 29 babies registered that year.
Is Kaislyn a boy or girl name?
Kaislyn is predominantly a girls' name — over 90% of Kaislyns in registered births are female.
Is the name Kaislyn rising or falling in popularity?
Kaislyn has risen 1748 spots in the rankings over the last 5 years — from #6847 in 2020 to #5099 in 2025.
How long has Kaislyn been recorded?
Kaislyn appears in birth records across 13 years — from 2012 through 2025.