Will my child share the name Casi with classmates?

Unlikely. With around 11 UK babies named Casi per year, your child will almost certainly be the only Casi in their class, and possibly the only one in the whole school.

Is Casi becoming more or less popular in the UK?

Casi is declining: down 398 places since 2020, to #2,440 in 2025. It peaked at #1,911 in 2017.

Is Casi a good choice for a distinctive name?

Casi 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 Casi a popular baby name in the United States?

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

👧 Girl's name 💎 Relatively Unique UK #2440

Casi

🗳️ Add Casi to a family shortlist

Casi is a distinctive choice, ranked #2440 in 2025. Your child is likely to be the only Casi in their class.

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UK Rank 2025

#2440

About the Name Casi

Casi has seen a notable decline in recent years, dropping 370 places in five years. It was most popular in 2017 at #1911 — parents choosing it today are making a deliberately counter-trend decision. The name has been a regular feature in UK records since 2002.

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