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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Llewelyn — Meaning, Origin & Popularity | Namesake
All names
Llewellyn|Llewyn
Welsh◈ Unisex · 65% boy · 35% girl↑↑ Surging

◈= unisex (gender-neutral)

Llewelyn

◈

HLOO-eh-lin · 3 syllables

Share Llewelyn:
Compare with another name
Boy
#4495
↑↑ Surging
Boy
#4495
Popularity score: 15
↑↑ Surging
Peak
#4495 in 2024
5yr
+2251 ranks
Velocity
+2251
Birth frequency
6.4 per 1,000,000 births
Girl

Outside top 1000

Last ranked #16528 in 2020

Peak: #16528 in 2020

→ Stable
5yr
—
Velocity
—
Birth frequency
1.4 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 #4495 · Rising since 2020

All US boy names
Top 200 boy names
Welsh boy names
Llewelyn

Popularity score: 15  ·  SSA Rank: #4495

GIRL
Average0255075100Popularity score (0–100)20172020

Rank #16528 · Rising since 2017

This name is given to very few babies each year — it sits outside the range shown in these charts.

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

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

Namesake Score
84
Higher than 84% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
↑↑ Surging
+2251 ranks
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · clear
Low friction, available
Uniqueness
55
10 per 10,000 births
Won't be common in class
Name DNA
WelshCelticRegalVintageNature-adjacent3-syllableUnisexHistoricalAristocratic
Character
lion-like boldnessregal authority
People with this name

Qualities shared by notable Llewelyns

resolutestrategicambitiousindependentdefiant
STRONG
High confidence

Llewelyn is a Welsh unisex name with upward momentum in SSA rankings. It ranked #4495 in the US in 2024.

Trend:↑↑ Surging · +2251 ranks
Feasibility:.com taken · — · clear
Popularity:#4495 · very rare
Llewelyn at a Glance
Meaning:Lion-like or bright leader. Derived from Welsh elements meaning 'lion' and 'leader,' historically borne by Welsh princes and nobility.
Language root:Welsh · Old Celtic
Peak rank:#4495 in 2024
5yr change:+2251 ranks
Sex usage:Boy #4495 · Girl #—
Notable bearers
Llewelyn the Great
13th-century Welsh prince and ruler
Llewelyn ap Gruffydd
Last native Prince of Wales (13th century)
Similar Sound
Llewyn◈Lowen◈LewinLlewAneurin
Similar Style
Caspian◈Stellan◈Rowan◈Findlay◈Elowen
Works Well With
Sibling names that pair naturally with Llewelyn
GwynethIslaRhys◈Wren◈Owen◈IvyFinn◈Hazel◈
You Might Also Like
Caspian◈
Persian · #578
↑ Rising
Stellan◈
Scandinavian · #1441
↑ Rising
Rowan◈
Irish · #71
→ Stable
Findlay◈
Scottish · #8509
↓ Fading
Dylan
Welsh · #28
→ Stable
Rhys◈
Welsh · #354
→ Stable
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Llewelyn · Overview
Summary

Llewelyn is a Welsh unisex name with upward momentum in SSA rankings. It ranked #4495 in the US in 2024.

Search interest: 0/100 → Stable

Strengths
Strong fundamentals
Llewelyn scores 84/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Surging fast
Rank has moved 2251 positions in the last year. Exceptional momentum.
Works for any sex
65% boy · 35% girl. A genuinely unisex name is rare at this level of distinctiveness.
Regal · Vintage character
Llewelyn carries a bold, grounded, cool quality that makes it distinctive without being invented.
Considerations
Rising very fast
Llewelyn is surging. If the trend continues, it may become significantly more common within 2-3 years.
Domain taken
llewelyn.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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