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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Keilyn — Meaning, Origin & Popularity | Namesake
All names
Keily|Keilynn
Celtic◈ Unisex · 54% boy · 46% girl↓ Fading

◈= unisex (gender-neutral)

Keilyn

◈

KAY-lin · 2 syllables

Share Keilyn:
Compare with another name
Girl
#3415
↓ Fading
Girl
#3415
Popularity score: 18
↓ Fading
Peak
#2914 in 2020
5yr
-116 ranks
Velocity
-116
Birth frequency
1.3 per 100,000 births
Boy
#11642
Popularity score: 5
→ Stable
Peak
#7261 in 2020
5yr
—
Velocity
—
Birth frequency
1.7 per 1,000,000 births

Popularity Over Time

↑ Higher on this chart = more popular · ↓ Lower = less popular

How Popular Is This Name?

Bars show the range of popularity for each group. The dot shows where this name sits. Further right = more popular.

BOY
Average0255075100Popularity score (0–100)20202024

Rank #11642 · Falling since 2020

All US boy names
Top 200 boy names
Celtic boy names
Keilyn

Popularity score: 5  ·  SSA Rank: #11642

GIRL
Average0255075100Popularity score (0–100)20202024

Rank #3415 · Falling since 2020

All US girl names
Top 200 girl names
Celtic girl names
Keilyn

Popularity score: 18  ·  SSA Rank: #3415

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

Popularity score: 0 = least popular, 100 = most popular. Based on SSA rank.

Namesake Score
40
Higher than 40% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
↓ Fading
-116 ranks
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
25 per 10,000 births
Won't be common in class

Keilyn scores lower overall — the popularity trend is fading.

Meaning Depth37% of score
60
Name Trend28% of score
32
Uniqueness20% of score
55
Feasibility15% of score
50

Scores are percentile-ranked across 43,000+ names.

Name DNA
CelticIrishUnisexNatureModern2-syllableContemporaryRareSoft-edgedGender-neutral
Character
victorious spirit
STRONG
High confidence

Keilyn is a Celtic unisex name with cooling SSA momentum. It ranked #3415 in the US in 2024.

Trend:↓ Fading · -116 ranks
Feasibility:.com taken · — · clear
Popularity:#11642 · very rare
Keilyn at a Glance
Meaning:Derived from Caorunn or similar Irish roots meaning 'victorious' or 'friend.' A modern synthesis blending traditional Celtic elements with contemporary naming style.
Language root:Old Irish · Gaelic
Peak rank:#2914 in 2020
5yr change:-116 ranks
Sex usage:Girl #3415 · Boy #11642
Notable bearers

No notable bearers on record.

Similar Sound
Kaelyn◈Keelyn◈Kinley◈Kylie◈Kaylen◈Kieran◈
Similar Style
Rowan◈Soren◈Finn◈LeifStellan◈Caspian◈
Works well with
Rowan◈Wren◈HazelStellan◈Beckett◈IvyPhoebeAsher◈
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→ Stable
Madelyn
Celtic · #65
→ Stable
Ayla
Celtic · #69
↑ Rising
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Keilyn · Overview
Summary

Keilyn is a Celtic unisex name with cooling SSA momentum. It ranked #3415 in the US in 2024.

Search interest: 0/100 → Stable

Strengths
Works for any sex
54% boy · 46% girl. A genuinely unisex name is rare at this level of distinctiveness.
Nature · Modern character
Keilyn carries a cool, grounded, gentle quality that makes it distinctive without being invented.
Considerations
Popularity declining
Rank has dropped 116 positions in the last year. Consider whether this trajectory matters for your decision.
Domain taken
keilyn.com is not available. Alternative TLDs may work.
Explore

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Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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