Isaiah sits comfortably in the UK charts at #156 in 2025 — recognisable but not overwhelming. Your child may occasionally share their name.
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UK Rank 2025
#156
US Rank #57
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About the Name Isaiah
Isaiah is at its highest recorded position in the UK, #156 in 2025 — the strongest showing it has had. The name has been a consistent presence in UK records since 1996.
Isaiah is fairly common in the UK, so your child is very likely to be the only Isaiah in their class.
In the US it ranks even higher at #56, where it enjoys a particularly strong following.
⭐ Famous People Named Isaiah
Isaiah Dudley — Isaiah Dudley is an Australian rules footballer who plays for the Fremantle Football Club in the Australian Football League (AFL).
Isaiah Toothtaker — Isaiah Philip Camacho, known professionally as Isaiah Toothtaker, is an American rapper, tattoo artist, and designer.
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 Isaiah
Unlikely. With around 338 UK babies named Isaiah per year, your child will almost certainly be the only Isaiah in their class, and possibly the only one in the whole school.
Isaiah is at its highest recorded position — #156 in 2025, with 338 births. In 2020 it ranked #164.
Isaiah is more popular in the US (#56) than in the UK (#170). Names with strong rankings in both countries tend to have broad cross-cultural appeal, working well for international families or those with ties to both nations.
Notable people named Isaiah include: Isaiah Dudley, Isaiah Toothtaker and Isaiah Stannard. Short summaries for each appear below.
Isaiah ranks #56 in the US (2024), making it comfortably inside the American top 100. It's well-liked on both sides of the Atlantic.
338
UK babies named Isaiah (2025)
~0.0
Expected classmates with this name (class of 28)
~0.1
In a school of 600
↑ 8 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Isaiah
Almost certainly the only Isaiah in the class
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UK Popularity (1996–2025)
Rank and birth count · ONS official data
US Popularity (2020–2025)
Rank · SSA official data
✨ Similar names to Isaiah
Names with a similar style — each with their own classroom story