Kaj
A boys’ name of Scandinavian origin, meaning earth; a form of Kai or Gaius.
Babies a year
10
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
—
outside the ONS list
Kaj by the numbers
Kaj was given to 10 American babies in 2017, the most recent full year we hold.
Its American peak was 20 babies in 2006, making it a 2000s name.
Other names that come from Gaius
Like Kaj, each of these traces back to Gaius: a form of it, a name built from it, or a son or daughter of it. Not always the same sex.
Spelled almost the same
Other names in the records within a letter or two of Kaj. Close spellings are not always related names, but they are usually worth seeing together.
Sounds like Kaj
Names that are said the same way as Kaj, however they are written. Sounding alike does not mean they share a history.
Other names that mean the earth
Like Kaj, each of these has the earth in its meaning. Different names, different histories, the same idea.
- Brooklynbroken land; a new york borough5,239 in the US (2017)
- Adamman, earth1,431 in England and Wales (2025)
- Georgefarmer, earth worker3,082 in England and Wales (2025)
- Waylonland beside the road2,434 in the US (2017)
- Zionpromised land; the promised city374 in England and Wales (2025)
- Jorgefarmer; worker of the earth1,547 in the US (2017)