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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Arcaius — Meaning, Origin & Popularity | Namesake
All names
Arcadius|Arcangel
CelticBoy→ Stable

Arcaius

ar-KAY-us · 3 syllables

Share Arcaius:
Compare with another name
Boy
#4563
→ Stable
#4563
in the US · 2024
Popularity score: 15
Peak rank
#4563 in 2024
5yr change
—
Birth frequency
6.1 per 1,000,000 births
Sex split
100% boy · 0% girl

This name has very limited recent SSA data.

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
Arcaius

Popularity score: 15  ·  SSA Rank: #4563

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

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

Namesake Score
76
Higher than 76% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
→ Stable
Based on SSA rank velocity
Feasibility
Strong
.com available · — · clear
Low friction, available
Uniqueness
55
10 per 10,000 births
Won't be common in class

Arcaius scores well on practical feasibility but there are tradeoffs — it's a well-known name in this region.

Meaning Depth37% of score
60
Name Trend28% of score
60
Uniqueness20% of score
55
Feasibility15% of score
85

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

Name DNA
CelticScottishWarriorRareBoy3-syllableAncientGaelic RootStrong VibeDistinctive
Character
fierce and combative
STRONG
High confidence

Arcaius is a Celtic boy name with steady SSA rankings. It ranked #4563 in the US in 2024.

Trend:→ Stable
Feasibility:.com available · — · clear
Popularity:#4563 · very rare
Arcaius at a Glance
Meaning:From Scots Gaelic, possibly related to 'arcach' meaning fierce or combative, with connections to ancient Celtic warrior traditions.
Language root:Scots Gaelic · Old Celtic
Peak rank:#4563 in 2024
5yr change:—
Sex usage:100% boy · 0% girl
Notable bearers

No notable bearers on record.

Similar Sound
ArcusArciusAureliusAtticus◈AlaricArgus
Similar Style
CaelixCaedanKieran◈TarrenBrennan◈Declan◈
Works well with
SeamusCormacFionneganRowan◈SiobhanBrigidElowenKael
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Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Arcaius · Overview
Summary

Arcaius is a Celtic boy name with steady SSA rankings. It ranked #4563 in the US in 2024.

Search interest: 0/100 → Stable

Strengths
Strong fundamentals
Arcaius scores 76/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Strong character
Arcaius carries a bold, grounded quality that makes it distinctive without being invented.
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Data source:Social Security Administration
Coverage:US births 1879–2024
Updated:January 2025
ISR:Refreshes monthly
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