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© 2026 Namesake · namesake.baby

Data: Social Security Administration, US births 1880–2024

Killion — Meaning, Origin & Popularity | Namesake
All names
Killian|Killua
IrishBoy→ Stable

Killion

KIL-yun · 2 syllables

Share Killion:
Compare with another name
Boy
#11687
→ Stable
#11687
in the US · 2024
Popularity score: 5
Peak rank
#11687 in 2024
5yr change
—
Birth frequency
1.7 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)20152024

Rank #11687 · Rising since 2015

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
Irish boy names
Killion

Popularity score: 5  ·  SSA Rank: #11687

Rare  ·  Distinctive  ·  Familiar  ·  Common  ·  Very Common

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

Namesake Score
62
Higher than 62% of names
Combines uniqueness, trend, meaning, feasibility, and search interest.
Trend
→ Stable
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

Killion scores well on meaning depth but there are tradeoffs — domain availability is limited.

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

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

Name DNA
IrishCelticStrongBoy2-syllableSaint nameRareRisingWarrior energy
Character
fierce determinationbold warrior spiritunwavering loyaltycompetitive drive
STRONG
High confidence

Killion is an Irish boy name with steady SSA rankings. It ranked #11687 in the US in 2024.

Trend:→ Stable
Feasibility:.com taken · — · clear
Popularity:#11687 · very rare
Killion at a Glance
Meaning:From Irish Cillian, derived from 'ceallach' meaning 'bright-headed' or 'warrior.' Associated with Saint Killian, an Irish missionary.
Language root:Old Irish · Gaelic
Peak rank:#11687 in 2024
5yr change:—
Sex usage:100% boy · 0% girl
Notable bearers

No notable bearers on record.

Similar Sound
Killian◈Cillian◈Kieran◈Keenan◈Kylan◈Kilian
Similar Style
Declan◈Brennan◈Ronan◈LiamFinn◈Cormac
Works well with
SiobhanAoifeOisinFionaSoren◈Rowan◈
You Might Also Like
Declan◈
Irish · #131
→ Stable
Brennan◈
Irish · #1054
↓ Declining
Ronan◈
Irish · #257
↑ Rising
Liam
Irish · #1
→ Stable
Finn◈
Irish · #198
→ Stable
Cormac
Irish · #1254
→ Stable
Source: Social Security Administration baby names data. Popularity data reflects US births. Feasibility data updated monthly.
Name Intelligence
Killion · Overview
Summary

Killion is an Irish boy name with steady SSA rankings. It ranked #11687 in the US in 2024.

Search interest: 0/100 → Stable

Strengths
Strong fundamentals
Killion scores 62/100 on the Namesake scale — meaning, origin, and trend all contribute positively.
Strong character
Killion carries a bold, grounded quality that makes it distinctive without being invented.
Considerations
Domain taken
killion.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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