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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Cas — Meaning, Origin & Popularity | Namesake
All names
Carys|Casai
CelticBoy↑↑ Surging

Cas

KAS · 1 syllables

Share Cas:
Compare with another name
Boy
#7829
↑↑ Surging
#7829
in the US · 2024
Popularity score: 9
Peak rank
#6359 in 2020
5yr change
+535 ranks
Birth frequency
2.8 per 1,000,000 births
Sex split
100% boy · 0% girl

Popularity Over Time

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

Average0255075100Popularity score (0–100)20202024

Rank #7829 · Falling 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 boy names
Top 200 boy names
Celtic boy names
Cas

Popularity score: 9  ·  SSA Rank: #7829

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

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

Namesake Score
74
Higher than 74% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
↑↑ Surging
+535 ranks
Based on SSA rank velocity
Feasibility
Limited
.com taken · — · tm risk
Low friction, available
Uniqueness
55
17 per 10,000 births
Won't be common in class
Name DNA
CelticIrish Root1-syllableModernShort-formNickname-styleRisingCool factorGender-neutral
Character
curly-haired or twisted appearance
STRONG
High confidence

Cas is a Celtic boy name with upward momentum in SSA rankings. It ranked #7829 in the US in 2024.

Trend:↑↑ Surging · +535 ranks
Feasibility:.com taken · — · tm risk
Popularity:#7829 · very rare
Cas at a Glance
Meaning:From Old Irish 'cas' meaning 'curly' or 'twisted', also used as a short form of Castor or Cassian
Language root:Old Irish · Gaelic
Peak rank:#6359 in 2020
5yr change:+535 ranks
Sex usage:100% boy · 0% girl
Notable bearers
Cas Anvar
Actor
Similar Sound
Cash◈CaseCassKai◈Max◈
Similar Style
Caspian◈Cassian◈Kai◈Jax◈Ezra
Works Well With
Sibling names that pair naturally with Cas
River◈Wren◈Sage◈Quinn◈Rowan◈LeoNova◈Atlas◈
You Might Also Like
Caspian◈
Persian · #578
↑ Rising
Cassian◈
Latin · #616
↓ Declining
Jax◈
Hebrew · #315
→ Stable
Ezra
Hebrew · #13
→ Stable
Ethan
Celtic · #19
→ Stable
Owen
Celtic · #26
→ Stable
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Cas · Overview
Summary

Cas is a Celtic boy name with upward momentum in SSA rankings. It ranked #7829 in the US in 2024.

Search interest: 16/100 → Stable

Strengths
Strong fundamentals
Cas scores 74/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Surging fast
Rank has moved 535 positions in the last year. Exceptional momentum.
Modern · Strong character
Cas carries a cool, edgy quality that makes it distinctive without being invented.
Considerations
Rising very fast
Cas is surging. If the trend continues, it may become significantly more common within 2-3 years.
Domain taken
cas.com is not available. Alternative TLDs may work.
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Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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