Will my child share the name Isobelle with classmates?

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

Is Isobelle becoming more or less popular in the UK?

Isobelle is declining: down 813 places since 2020, to #1,584 in 2025. It peaked at #265 in 2009.

Is Isobelle a good choice for a distinctive name?

Isobelle 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 Isobelle a popular baby name in the United States?

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

👧 Girl's name 💎 Relatively Unique UK #1584

Isobelle

🗳️ Add Isobelle to a family shortlist

Isobelle is a distinctive choice, ranked #1584 in 2025. Your child is likely to be the only Isobelle in their class.

💎

UK Rank 2025

#1584

About the Name Isobelle

Isobelle has seen a notable decline in recent years, dropping 635 places in five years. It was most popular in 2009 at #265 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1996.

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

⭐ Famous People Named Isobelle

Isobelle Carmody — Isobelle Jane Carmody is an Australian writer of science fiction, fantasy, children's literature, and young adult literature.

Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.