Will my child share the name Kajus with classmates?

Unlikely. With around 19 UK babies named Kajus per year, your child will almost certainly be the only Kajus in their class, and possibly the only one in the whole school.

Is Kajus becoming more or less popular in the UK?

Kajus is declining: down 485 places since 2020, to #1,406 in 2025. It peaked at #611 in 2013.

Is Kajus a good choice for a distinctive name?

Kajus is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.

Is Kajus a popular baby name in the United States?

Kajus does not appear in the US top 1,000 baby names, making it a distinctively British choice.

👦 Boy's name 💎 Relatively Unique UK #1406

Kajus

🗳️ Add Kajus to a family shortlist

Kajus is a distinctive choice, ranked #1406 in 2025. Your child is likely to be the only Kajus in their class.

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UK Rank 2025

#1406

About the Name Kajus

Kajus has seen a notable decline in recent years, dropping 1168 places in five years. It was most popular in 2013 at #611 — parents choosing it today are making a deliberately counter-trend decision. The name has been a regular feature in UK records since 2004.

Kajus is uncommon in the UK, so your child is very likely to be the only Kajus in their class.