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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Heilyn — Meaning, Origin & Popularity | Namesake
All names
Heily|Heimy
WelshGirl↓ Fading

Heilyn

HY-lin · 2 syllables

Share Heilyn:
Compare with another name
Girl
#9788
↓ Fading
#9788
in the US · 2024
Popularity score: 7
Peak rank
#8211 in 2023
5yr change
-1577 ranks
Birth frequency
2.8 per 1,000,000 births
Sex split
0% boy · 100% girl

Popularity Over Time

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

Average0255075100Popularity score (0–100)20202024

Rank #9788 · Rising since 2020

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.

All US girl names
Top 200 girl names
Welsh girl names
Heilyn

Popularity score: 7  ·  SSA Rank: #9788

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
-1577 ranks
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
21 per 10,000 births
Won't be common in class
Name DNA
WelshCelticGirl2-syllableNatureVintageRareGenerousSoft-edgedRisingPre-peakTraditional Welsh
Character
generous and gracious
STRONG
High confidence

Heilyn is a Welsh girl name with cooling SSA momentum. It ranked #9788 in the US in 2024.

Trend:↓ Fading · -1577 ranks
Feasibility:.com taken · — · clear
Popularity:#9788 · very rare
Heilyn at a Glance
Meaning:From Welsh 'hael' meaning generous, combined with diminutive '-yn'. Associated with generosity and grace in Welsh tradition.
Language root:Welsh · Cymraeg
Peak rank:#8211 in 2023
5yr change:-1577 ranks
Sex usage:0% boy · 100% girl
Notable bearers

No notable bearers on record.

Similar Sound
EvelynGwendolynAdalynCarolynJaclyn
Similar Style
GwynethCerysSiennaElaraBriony
Works Well With
Sibling names that pair naturally with Heilyn
AriaIvyHazel◈Cleo◈BethanSeren◈Freya
You Might Also Like
Gwyneth
Welsh · #1788
↑↑ Surging
Cerys
Welsh · —
→ Stable
Sienna
Italian · #139
→ Stable
Elara
Celtic · #1156
↑↑ Surging
Briony
Latin · —
→ Stable
Reese
Welsh · #190
→ Stable
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Heilyn · Overview
Summary

Heilyn is a Welsh girl name with cooling SSA momentum. It ranked #9788 in the US in 2024.

Search interest: 0/100 → Stable

Strengths
Nature character
Heilyn carries a gentle, grounded quality that makes it distinctive without being invented.
Considerations
Popularity declining
Rank has dropped 1577 positions in the last year. Consider whether this trajectory matters for your decision.
Domain taken
heilyn.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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