Clu
A short form of Cluime, meaning 'a secret' or 'a hint'
Ireland origin · Boy name
97% boys3% girls
#1735US 2023
465Births / yr
Stable
5All-time births
📅 Since 196200

What does Clu mean and where does it come from?

The name Clu is of Irish origin, often considered a diminutive or affectionate form. It has been used occasionally among Gaelic speakers and could also imply cleverness or insight due to its meaning. Though not widely popular, it can be found in Irish folklore and literature.

Cultural significance
Clu has been a cherished name across cultures, particularly in Ireland-speaking communities, where it reflects values of a short form of cluime, meaning 'a secret' or 'a hint'.
Peak popularity
Reached #4573 in 1962 — currently #1735 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 Clu?

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

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

How popular is Clu right now?

Holding steady — currently #1735 in the US out of 135.5k tracked names

US Trend 20212023#1735 · Top 1.3%
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1735465▲ up 5 · +4% births
2022#1740445▲ up 5 · +7% births
2021#1745415

The story of Clu

Clu is a relatively modern name, first appearing in US records in 1962. With 5 total births recorded, Clu remains relatively uncommon. The name has grown more popular over time, rising from #1745 in 2021 to #1735 in 2023.

Names that peaked alongside Clu in 1962:

💎Clu has only 5 total recorded births since 1962 — rarer than 99% of names in our database.

What are good nicknames for Clu?

Common
ClieCly

Common questions about the name Clu

What does the name Clu mean?
Clu means "A short form of Cluime, meaning 'a secret' or 'a hint'" — 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 Clu?
Clu 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 Clu?
Clu 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.
How does Clu sound with different last names?
As a one-syllable name, Clu flows best with last names of two or three syllables. Avoid last names ending in the same sound as Clu ends, as this can create an unwanted rhyme. Test by saying the full name out loud several times.
Is Clu a common or rare name?
Clu is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.