UK boy's name
Isaah
A masculine name of Hebrew origin meaning "salvation of God".
For 2026, the newest official UK baby-name figures on this page are from 2009. That release is the current official benchmark rather than a forecast.
Isaah is a boy's name in the UK records. People looking for Isaah popularity in 2026 should use the latest official release, which is 2009 in this profile. In that release it ranked #3744, with 4 babies registered with the name. Its strongest year in the published records was 2009, with 4 births.
This profile covers 7 England and Wales registrations across 2 recorded years from 2007 to 2009. The figures come from ONS England and Wales, 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.
Isaah is at its recorded peak in the England and Wales series.
We estimate that about 7 living people in the UK are called Isaah. 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 2010 or 2026.
Key insights
- • Isaah ranked #3744 for boys in England and Wales in 2009, with 4 registrations.
- • The name peaked in 2009, when 4 boys were registered as Isaah.
- • About 7 living people in the UK are estimated to have Isaah as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#3744
2009
Births in 2009
4
Latest year
Peak year
2009
4 births
Estimated living
7
2026
Meaning
What does Isaah mean?
The name Isaah finds its origins in the Hebrew language and culture, originating during ancient times. It is derived from the Hebrew name Yishayahu, which means "Yahweh is salvation." The name Yishayahu is itself a combination of two Hebrew words: "yesha" meaning "salvation" and "Yahu" being a contracted form of the divine name "Yahweh."
One of the earliest and most notable references to this name can be found in the Old Testament of the Bible, where it is the name of the Hebrew prophet Isaiah, who lived during the 8th century BCE. The Book of Isaiah, which bears his name, is a significant part of the biblical canon and contains prophecies and teachings attributed to this revered figure.
Throughout history, the name Isaah has been used by numerous individuals, some of whom have left their mark on various fields. One such person was Isaah Ibn Hezekiah, a prominent Jewish rabbi and scholar who lived in the 9th century CE. He was known for his contributions to the field of Jewish philosophy and his commentaries on various biblical texts.
Another notable figure was Isaah Horowitz, a renowned Jewish scholar and kabbalist who lived in the 16th century. He was the author of the influential work "Shenei Luchot HaBrit" (The Two Tablets of the Covenant), which explored Jewish law and mysticism.
In the realm of literature, Isaah Berlin, a Russian-British philosopher and historian, made significant contributions to the field of political theory and the study of Russian culture. He was born in 1909 and passed away in 1997.
Isaah Thomas, an American basketball player and former president of the NBA Players Association, was also a prominent individual bearing this name. He was born in 1961 and played for the Detroit Pistons during his illustrious career, leading them to two NBA championships.
Lastly, Isaah Tutengye, a Ugandan Catholic priest and human rights activist, dedicated his life to advocating for social justice and the rights of marginalized communities in his country. He was born in 1937 and passed away in 2019, leaving behind a legacy of courage and compassion.
Sourced from namecensus.com.
Popularity
Isaah over time
The chart below shows babies named Isaah registered in England and Wales in the years where the name appears in the published records, from 2007 to 2009. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Isaah, the clearest high point is 2009. The latest England and Wales figure is 4 births in 2009, compared with 4 at the peak.
Babies born per year
Decades
Isaah by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Isaah 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 |
|---|---|---|---|
| 2000s | #4039 | 7 | 2 |
Related
Names similar to Isaah
- Isaac 49,129
- Ibrahim 14,115
- Ismail 4,679
- Isaiah 4,629
- Idris 3,810
- Ivan 3,146
- Isa 2,943
- Ian 2,805
- Ilyas 2,552
- Ieuan 2,515
- Ibraheem 2,384
- Ioan 2,295
FAQ
Isaah: questions and answers
How popular is the name Isaah in the UK right now?
In 2009, Isaah was ranked #3744 for boys in England and Wales, with 4 births registered.
When was Isaah most popular?
The peak year on record was 2009, with 4 babies registered as Isaah in England and Wales.
What is the meaning and origin of Isaah?
A masculine name of Hebrew origin meaning "salvation of God".
How many people are called Isaah in the UK?
A total of 7 babies have been registered as Isaah across the 2 years of ONS England & Wales records shown here.
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.