UK boy's name
Alastair
Derived from the Old Scottish Gaelic name meaning "protector of the people".
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.
Alastair is a boy's name in the UK records. People looking for Alastair popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1282, with 21 babies registered with the name. Its strongest year in the published records was 1996, with 166 births.
This profile covers 1,635 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 13% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 3,935 living people in the UK are called Alastair. 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
- • Alastair ranked #1282 for boys in England and Wales in 2024, with 21 registrations.
- • The name peaked in 1996, when 166 boys were registered as Alastair.
- • Alastair ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #357 in 2007.
- • About 3,935 living people in the UK are estimated to have Alastair as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#1282
2024
Births in 2024
21
Latest year
Peak year
1996
166 births
Estimated living
3,935
2026
Meaning
What does Alastair mean?
The name Alastair has its origins in the ancient Gaelic languages of Scotland and Ireland. It is derived from the Gaelic name Alasdair, which is a Gaelic form of the Greek name Alexander, meaning "defender of men."
The earliest recorded use of the name Alastair dates back to the Middle Ages in Scotland, where it was a common name among the Gaelic-speaking clans of the Scottish Highlands. It was particularly popular among members of Clan Donald, one of the largest and most powerful clans in the region.
One of the earliest known historical figures to bear the name Alastair was Alastair Óg MacDonald, the 8th Chief of Clan Donald, who lived in the late 15th and early 16th centuries. He played a significant role in the wars between the clans and the Scottish Crown during this turbulent period.
Another notable Alastair in Scottish history was Alastair MacColla, a renowned Royalist military leader during the Wars of the Three Kingdoms in the mid-17th century. He was a skilled strategist and led Gaelic-speaking forces in support of King Charles I against the Covenanters and Parliamentarians.
In the 18th century, Alastair MacDonald of Glenaladale was a prominent Jacobite who fought for the restoration of the Stuart monarchy during the Jacobite Rising of 1745. He played a crucial role in helping the famous Bonnie Prince Charlie escape from Scotland after the Battle of Culloden.
The name Alastair also has literary connections, with one of the most famous examples being Alastair Petrie, a character in Sir Walter Scott's novel "Waverley." Published in 1814, the novel was instrumental in reviving interest in Scottish history and culture during the Romantic period.
Another notable figure with the name Alastair was Alastair Sim, a Scottish actor who achieved fame in the mid-20th century for his performances in various British comedies and dramas. He was born in 1900 and passed away in 1976, leaving behind a rich legacy in the world of cinema.
Sourced from namecensus.com.
Popularity
Alastair over time
The chart below shows babies named Alastair 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 Alastair, the clearest high point is 1996. The latest England and Wales figure is 21 births in 2024, compared with 166 at the peak.
Babies born per year
Decades
Alastair by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Alastair 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 | #1299 | 109 | 5 |
| 2010s | #804 | 392 | 10 |
| 2000s | #488 | 626 | 10 |
| 1990s | #240 | 508 | 4 |
Geography
Where Alastair is most common
The bars show the latest published local birth counts for Alastair. 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.
Alastair ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #357 in 2007.
Across the UK
Alastair in Scotland and Northern Ireland
Scotland (NRS)
#619 in 2024
50 years of NRS records, 2,351 total registered
Northern Ireland (NISRA)
#357 in 2007
5 years of NISRA records, 27 total registered
Notable bearers
Famous people named Alastair
-
Alastair Stout
television actor
British actor
2010-
-
Alastair Taylor
association football player
British footballer (born 1991)
1991-
-
Alastair Wilson
field hockey player
English field hockey player (1983-)
1983-
-
Alastair Storie
cricketer
Scottish cricketer
1965-
-
Alastair Smail
judge; barrister; cricketer
English cricketer and judge
1964-
-
Alastair Simms
cooper
British cooper
1960-
-
Alastair Storey
businessperson
Scottish businessman
1953-
-
Alastair Yates
television presenter; journalist
British journalist (1952-2018)
1952-2018
Related
Names similar to Alastair
- Alfie 86,546
- Alexander 85,525
- Adam 71,855
- Archie 59,965
- Arthur 43,586
- Aaron 36,366
- Alex 32,729
- Andrew 20,169
- Arlo 19,061
- Aidan 16,776
- Albie 16,017
- Albert 15,809
FAQ
Alastair: questions and answers
How popular is the name Alastair in the UK right now?
In 2024, Alastair was ranked #1282 for boys in England and Wales, with 21 births registered.
When was Alastair most popular?
The peak year on record was 1996, with 166 babies registered as Alastair in England and Wales.
What is the meaning and origin of Alastair?
Derived from the Old Scottish Gaelic name meaning "protector of the people".
How many people are called Alastair in the UK?
A total of 1,635 babies have been registered as Alastair across the 29 years of ONS England & Wales records shown here, plus 2,351 more in Scotland and 27 in Northern Ireland.
Where is Alastair most common?
In the latest published local rankings, Alastair ranks best in Northern Ireland, where it placed #357 in 2007. 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.