NameCensus.

UK boy's name

Isaiah

A masculine name of Hebrew origin meaning "salvation of the Lord".

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Isaiah is a boy's name in the UK records. People looking for Isaiah popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #170, with 297 babies registered with the name. Its strongest year in the published records was 2020, with 323 births.

This profile covers 4,629 England and Wales registrations across 29 recorded years from 1996 to 2024. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 92% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 4,714 living people in the UK are called Isaiah. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Isaiah ranked #170 for boys in England and Wales in 2024, with 297 registrations.
  • The name peaked in 2020, when 323 boys were registered as Isaiah.
  • Isaiah ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #187 in 2024.
  • About 4,714 living people in the UK are estimated to have Isaiah as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#170

2024

Births in 2024

297

Latest year

Peak year

2020

323 births

Estimated living

4,714

2026

Meaning

What does Isaiah mean?

The name Isaiah originates from the Hebrew language and culture. It has been in use since ancient times, derived from the Hebrew words "yesha'yahu" or "ysha'yah," which translate to "Yahweh is salvation" or "the Lord is salvation."

The name is most closely associated with the biblical prophet Isaiah, who lived during the 8th century BCE in the ancient Kingdom of Judah. The Book of Isaiah, found in the Old Testament, contains the prophecies and teachings attributed to him. This text has played a significant role in both Judaism and Christianity, contributing to the widespread use and recognition of the name.

One of the earliest recorded individuals named Isaiah was the biblical prophet himself, whose ministry and writings significantly influenced the religious and cultural landscape of the ancient Near East. Another notable figure was Isaiah ben Abba, a Jewish scholar who lived in the 4th century CE and authored a well-known commentary on the Book of Leviticus.

Throughout history, the name Isaiah has been borne by various individuals of note, including Isaiah Thomas (1749-1831), an American Revolutionary War patriot and founder of the American Antiquarian Society. Isaiah Bowman (1878-1950) was an American geographer and the fourth president of Johns Hopkins University.

Isaiah Berlin (1909-1997) was a renowned Russian-British philosopher and historian of ideas, known for his influential works on political theory and the concept of value pluralism. Isaiah Mustafa (born 1974) is an American actor and former NFL player, best recognized for his Old Spice commercials.

Another notable bearer of the name is Isaiah Rashad (born 1991), an American rapper and songwriter, who has gained recognition for his unique blend of Southern hip-hop and conscious lyricism.

While the name Isaiah has its roots in ancient Hebrew culture, it has transcended linguistic and cultural boundaries, becoming a popular choice across various ethnicities and religious backgrounds worldwide.

Sourced from namecensus.com.

Popularity

Isaiah over time

The chart below shows babies named Isaiah registered in England and Wales in the years where the name appears in the published records, from 1996 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Isaiah, the clearest high point is 2020. The latest England and Wales figure is 297 births in 2024, compared with 323 at the peak.

Babies born per year

Isaiah
081162242323199620102024

Decades

Isaiah by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Isaiah was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #167 1,564 5
2010s #242 2,204 10
2000s #431 761 10
1990s #678 100 4

Geography

Where Isaiah is most common

The bars show the latest published local birth counts for Isaiah. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Isaiah ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #187 in 2024.

Northern Ireland
11
Scotland
10

Across the UK

Isaiah in Scotland and Northern Ireland

Scotland (NRS)

#352 in 2024

11 years of NRS records, 56 total registered

Northern Ireland (NISRA)

#187 in 2024

10 years of NISRA records, 58 total registered

Notable bearers

Famous people named Isaiah

  • Isaiah Jones

    association football player

    English football player (born 2001)

    2001-

  • Isaiah Jones

    association football player

    English football player (born 1999)

    1999-

  • Isaiah Osbourne

    association football player

    English footballer (born 1987)

    1987-

  • Isaiah Aram Minasian

    violinist; orchestrator; cellist

    British violinist and cellist

    1986-

  • Isaiah Rankin

    association football player

    British footballer (born 1978)

    1978-

  • Isaiah Kwaku Osei-Duah

    farmer; surveyor; trader

    Ghanaian politician and farmer

    1933-

  • Isaiah Smithurst

    cricketer

    English cricketer (1920-1982)

    1920-1982

  • Isaiah Berlin

    diplomat; historian; political scientist; philosopher; university teacher; historian of ideas; sociologist

    Russo-British-Latvian Jewish social and political theorist, philosopher and historian of ideas (1909–1997)

    1909-1997

Related

Names similar to Isaiah

FAQ

Isaiah: questions and answers

How popular is the name Isaiah in the UK right now?

In 2024, Isaiah was ranked #170 for boys in England and Wales, with 297 births registered.

When was Isaiah most popular?

The peak year on record was 2020, with 323 babies registered as Isaiah in England and Wales.

What is the meaning and origin of Isaiah?

A masculine name of Hebrew origin meaning "salvation of the Lord".

How many people are called Isaiah in the UK?

A total of 4,629 babies have been registered as Isaiah across the 29 years of ONS England & Wales records shown here, plus 56 more in Scotland and 58 in Northern Ireland.

Where is Isaiah most common?

In the latest published local rankings, Isaiah ranks best in Northern Ireland, where it placed #187 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.