Caillou
Does Caillou flow with your last name?
A distinctive boy name with a rare, memorable quality.
Reviewed by the NamingEverything Editorial Team · Updated
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Nicknames
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Meaning & Origin
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Browse nicknames →Historical Record
Caillou first appeared in US Social Security records in 2001.
Over 247 babies have been named Caillou in the United States since SSA records began.
Today, Caillou is a hidden gem — rare but distinctive , currently ranked #25,991 for boy names in the US .
Popularity Over Time
Year-by-year popularity data will be available soon.
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See all →Quick Facts
- Gender
- Boy
- Popularity Rank
- #25,991
- Total SSA Count
- 5
Nicknames
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-1 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
Sibling Match
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Frequently Asked Questions About Caillou
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Is Caillou a common or rare name?
Browse all middle names, sibling names, or similar names.
About the Name Caillou
Caillou is a boy name .
Caillou is currently ranked #25,991 in popularity for boy names in the United States.
Common nicknames for Caillou include Cai, Cail, Caily, Cailie, Lou, Louy, Louie, Cay, Caie, and Caikins. These shorter forms provide casual alternatives while keeping the elegance of the full name.
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Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- NamingEverything editorial research and analysis