Killion
Descendant of Caollaidhe
Ireland origin · Boy name
97% boys3% girls
#1885US 2023
315Births / yr
Stable
39All-time births
📅 Since 200900

What does Killion mean and where does it come from?

Killion is an Anglicized form of the Irish surname 'Mac Caollaidhe', meaning 'son of Caollaidhe'. The name was originally a personal name meaning 'slender' or 'narrow'. The first recorded use of Killion can be traced back to early Irish genealogy records. It can also refer to the townland name in Co

Cultural significance
Killion has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of descendant of caollaidhe.
Peak popularity
Reached #8698 in 2017 — currently #1885 in the US.
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Related Reading
Ireland-origin baby names with timeless appeal
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What middle names flow best with Killion?

Killion works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Killion Grace
Most popular combo · classic
Killion Rose
Floral · soft ending
Killion Mae
Sweet · timeless
Killion Claire
French influence · crisp
Killion Jane
Literary · strong
Killion Skye
Modern · airy feel
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Middle Names
The best middle names for Killion
Browse ideas →

How popular is Killion right now?

Holding steady — currently #1885 in the US out of 135.5k tracked names

US Trend 20152023#1885 · Top 1.4%
2015
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1885315▲ up 5 · +7% births
2022#1890295▲ up 5 · +11% births
2021#1895265▲ up 11612 · +5200% births
2015#135075

The story of Killion

Killion is a relatively modern name, first appearing in US records in 2009. With 39 total births recorded, Killion remains relatively uncommon. The name has grown more popular over time, rising from #13507 in 2015 to #1885 in 2023.

Names that peaked alongside Killion in 2017:

💎Killion has only 39 total recorded births since 2009 — rarer than 99% of names in our database.

What are good nicknames for Killion?

Common
KilKiIllion

Common questions about the name Killion

What does the name Killion mean?
Killion means "Descendant of Caollaidhe" — a name rooted in Ireland tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Killion?
Killion is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Killion?
Killion originates from Ireland tradition. Ireland names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
Is Killion a common or rare name?
Killion is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.
What are good nicknames for Killion?
Killion naturally lends itself to affectionate nicknames. Shortened versions based on the first syllable are most popular, and many parents also create unique pet names that feel personal to their family.