Kajus
A boys’ name with no widely documented etymology — two syllables, given to 19 babies a year in England and Wales.
Kajus by the numbers
In 2025, 19 babies in England and Wales were named Kajus.
Its American peak was 6 babies in 2004, making it a 2000s name.
What we can tell you about Kajus
Not every name has a meaning to trace. Plenty are coined rather than inherited — invented outright, blended from two names, or respelled from an older one — and where we cannot find an etymology we can stand behind, we would rather say so than make one up. What follows comes from the birth records themselves.
Spelled almost the same
Other names in the records within a letter or two of Kajus. Close spellings are not always related names, but they are usually worth seeing together.
Names about as common as Kajus
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