Will my child share the name Isiah with classmates?

Unlikely. With around 10 UK babies named Isiah per year, your child will almost certainly be the only Isiah in their class, and possibly the only one in the whole school.

Is Isiah becoming more or less popular in the UK?

Isiah is declining: down 890 places since 2020, to #2,269 in 2025. It peaked at #1,139 in 2021.

Is Isiah a good choice for a distinctive name?

Isiah 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.

Who are some famous people named Isiah?

Notable people named Isiah include: Isiah Lagutang, Isiah Kiner-Falefa and Isiah Harwell.

Is Isiah a popular baby name in the United States?

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

👦 Boy's name 💎 Relatively Unique UK #2269

Isiah

🗳️ Add Isiah to a family shortlist

Isiah is a distinctive choice, ranked #2269 in 2025. Your child is likely to be the only Isiah in their class.

💎

UK Rank 2025

#2269

About the Name Isiah

Isiah is steadily gaining in popularity, up 57 places over the past five years. Its best recorded rank was #1139 in 2021, and it currently sits at #1322. The name has been a consistent presence in UK records since 1996.

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

⭐ Famous People Named Isiah

Isiah Lagutang — Isiah Kazunori Kimura Lagutang is a Guamanian international footballer who plays for Bank of Guam Strykers FC in the Guam Men's Soccer League.
Isiah Robertson — Isiah "Butch" Robertson was an American professional football player who was a linebacker for the Los Angeles Rams and the Buffalo Bills.
Isiah Kiner-Falefa — Isiah Kiner-Falefa, often abbreviated as IKF, is an American professional baseball utility player for the Boston Red Sox of Major League Baseball (MLB).

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.

Frequently Asked Questions

Common questions about the name Isiah

UK babies named Isiah (2025)

< 1

Expected classmates with this name (class of 28)

~0.0

In a school of 600

↓ 890 places

Rank change (last 5 years)

🏫 Who else is in the room?

In a typical UK class of 28, highlighted children share the name Isiah

Almost certainly the only Isiah in the class

UK Popularity (1996–2025)

Rank and birth count · ONS official data

No US data available for this name

✨ Similar names to Isiah

Names with a similar style — each with their own classroom story

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Famous People Named Isiah

Notable people who share this name, from history to the present day. See full list on Wikipedia

Isiah Lagutangb. 1997

Isiah Kazunori Kimura Lagutang is a Guamanian international footballer who plays for Bank of Guam Strykers FC in the Guam Men's Soccer League.

Isiah Robertsonb. 1971

Isiah "Butch" Robertson was an American professional football player who was a linebacker for the Los Angeles Rams and the Buffalo Bills.

Isiah Kiner-Falefa

Isiah Kiner-Falefa, often abbreviated as IKF, is an American professional baseball utility player for the Boston Red Sox of Major League Baseball (MLB).

Isiah Harwell

Isiah James Harwell is an American basketball player for the Houston Cougars of the Big 12 Conference.

Fictional Isiahs

Isaiah, Isaiah, Isaiah, VIA Nano