Boy · #12,243 in 2026

Caillou

Caillou is an animated children's television series that aired on Teletoon, with the first episode airing on the former channel on September 15, 1997 until the fourth season. After that, the fifth season channel was moved to Treehouse TV, and the series finale aired on April 17, 2011. It also aired on PBS and the PBS Kids channel from 2000 to 2020.

Current Rank
#12,243
Peak Rank
#2,681 (2001)
Total Babies
247
5-Yr Trend
Stable
2001
First Year
2017
Last Year
2001
Peak Year
#2681
Peak Rank
247
Total Count
16
Years Active

Meaning & Origin of Caillou

What this name means, where it came from, and how it has traveled across cultures.

Caillou is an animated children's television series that aired on Teletoon, with the first episode airing on the former channel on September 15, 1997 until the fourth season. After that, the fifth season channel was moved to Treehouse TV, and the series finale aired on April 17, 2011. It also aired on PBS and the PBS Kids channel from 2000 to 2020.

Source: Wikipedia (CC BY-SA 3.0). Read more →

The Story of Caillou

Caillou first appeared in U.S. Social Security Administration records as a baby boy name in 2001, with 35 babies given the name that year. Its peak popularity came in 2001, when 35 Caillous were born — ranking #2,681 that year. As of 2026, Caillou ranks #12,243 for baby boys with 5 births, with steady use. In total, more than 247 Caillous have been born in the U.S. since records began in 1880, spanning the 2000s through the 2020s.

Popularity Over Time

Popularity by State

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WA
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MI
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VT
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OR
ID
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OH
PA
NJ
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NE
MO
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MD
DE
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Top 10
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500+
No data

Names that sound like Caillou

Phonetically similar names — useful when Caillou is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Caillou

What does the name Caillou mean?
Caillou is an animated children's television series that aired on Teletoon, with the first episode airing on the former channel on September 15, 1997 until the fourth season. After that, the fifth season channel was moved to Treehouse TV, and the series finale aired on April 17, 2011. It also aired on PBS and the PBS Kids channel from 2000 to 2020.
How popular is Caillou in 2026?
In 2026, Caillou ranks #12,243 among boys' names in the U.S., with 5 babies given the name that year.
When was Caillou most popular?
Caillou reached its peak popularity in 2001, ranking #2,681 that year with 35 babies given the name.
In which U.S. states is Caillou most popular?
Caillou has historically been most popular in California, Texas. Rankings vary year to year, but these states show the strongest concentration of births named Caillou.
Is Caillou a unisex name?
In U.S. Social Security records, Caillou is primarily a boy's name. We don't have meaningful data for it as a girl's name.
What names go well with Caillou?
Names that share a similar style or popularity range with Caillou include Yoni, Quindarius, Zenas. These pairings are based on rank proximity and naming era in U.S. data.

Similar Names

👦
Yoni
Peak #2681
👦
Quindarius
Peak #2681
👦
Zenas
Peak #2682
👦
Burk
Peak #2682
👦
Delfin
Peak #2682
👦
Cayce
Peak #2680
👦
Thoms
Peak #2682
👦
Jereld
Peak #2682

About the name Caillou

Caillou is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2001 and has accumulated 247 births in the dataset. Caillou's peak popularity came in 2001 when it ranked #2,681. Use the chart and map above to compare Caillou's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.