Caillou
A boys’ name of French origin, meaning pebble or stone.
Babies a year
5
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
—
outside the ONS list
Caillou by the numbers
Caillou was given to 5 American babies in 2017, the most recent full year we hold.
Its American peak was 35 babies in 2001, so it is a 2000s name that has since fallen a long way.
Spelled almost the same
Other names in the records within a letter or two of Caillou. Close spellings are not always related names, but they are usually worth seeing together.
Sounds like Caillou
Names that are said the same way as Caillou, however they are written. Sounding alike does not mean they share a history.
Other names that mean a stone or rock
Like Caillou, each of these has a stone or rock in its meaning. Different names, different histories, the same idea.
- Masonstone worker13,560 in the US (2017)
- Jadejade stone; symbol of virtue and beauty2,765 in the US (2017)
- Harleyhare meadow or rocky meadow366 in England and Wales (2025)
- Peterrock, stone1,777 in the US (2017)
- Harlowrocky hill or army hill832 in the US (2017)
- Pedrostone or rock; Spanish form of Peter809 in the US (2017)
Names about as common as Caillou
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