NameCensus.

UK boy's name

Alasdair

Alasdair is a masculine Scottish Gaelic name meaning "defender 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.

Alasdair is a boy's name in the UK records. People looking for Alasdair popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1595, with 16 babies registered with the name. Its strongest year in the published records was 1996, with 71 births.

This profile covers 843 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 23% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 3,524 living people in the UK are called Alasdair. 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

  • Alasdair ranked #1595 for boys in England and Wales in 2024, with 16 registrations.
  • The name peaked in 1996, when 71 boys were registered as Alasdair.
  • Alasdair ranks best in Scotland in the latest published regional snapshot for that area, where it placed #234 in 2024.
  • About 3,524 living people in the UK are estimated to have Alasdair as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#1595

2024

Births in 2024

16

Latest year

Peak year

1996

71 births

Estimated living

3,524

2026

Meaning

What does Alasdair mean?

The name Alasdair is a Scottish Gaelic form of the name Alexander, which has its origins in the Greek name Alexandros. The name Alexandros is derived from the Greek words "alexo," meaning "to defend," and "andros," meaning "man." Therefore, the name Alasdair carries the meaning of "defender of man" or "protector of mankind."

Alasdair is a name deeply rooted in Scottish history and culture. It gained prominence during the medieval period, particularly in the Scottish Highlands. The name was popularized by Scottish clans and families, who often used it to honor their ancestors or to symbolize their connection to their Scottish heritage.

One of the earliest recorded instances of the name Alasdair can be traced back to the 13th century, when Alasdair MacDonald, the Lord of the Isles, ruled over a significant portion of the Scottish Hebrides. He was a powerful figure in Scottish history and played a crucial role in the Wars of Scottish Independence against the English.

Throughout the centuries, several notable figures have borne the name Alasdair. One such individual was Alasdair MacColla (1610-1647), a Scottish military leader who played a significant role in the Wars of the Three Kingdoms. He was known for his unwavering loyalty to the Royalist cause and his military exploits during the conflicts.

Another famous Alasdair was Alasdair Ranaldson MacDonell (1725-1761), a Scottish Jacobite and poet who fought in the Jacobite Rising of 1745. His poetry and literary works have become an essential part of Scottish cultural heritage and have been widely celebrated for their artistic merit.

In the 19th century, Alasdair MacIntyre (1804-1876) was a prominent Scottish writer and journalist who played a significant role in the Scottish literary renaissance. His works often explored themes of Scottish identity and culture, and he was an ardent advocate for the preservation of the Scottish Gaelic language.

More recently, Alasdair Gray (1934-2019) was a highly acclaimed Scottish novelist, playwright, and artist. His works, such as the novel "Lanark," have been widely praised for their innovative and experimental style, and he is considered one of the most influential figures in Scottish literature of the 20th century.

These are just a few examples of the many notable individuals throughout history who have borne the name Alasdair, each leaving their mark on Scottish culture, literature, and history.

Sourced from namecensus.com.

Popularity

Alasdair over time

The chart below shows babies named Alasdair 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 Alasdair, the clearest high point is 1996. The latest England and Wales figure is 16 births in 2024, compared with 71 at the peak.

Babies born per year

Alasdair
018365371199620102024

Decades

Alasdair by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Alasdair 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 #1454 87 5
2010s #1408 182 10
2000s #770 325 10
1990s #377 249 4

Geography

Where Alasdair is most common

The bars show the latest published local birth counts for Alasdair. 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.

Alasdair ranks best in Scotland in the latest published regional snapshot for that area, where it placed #234 in 2024.

Scotland
17
Northern Ireland
3

Across the UK

Alasdair in Scotland and Northern Ireland

Scotland (NRS)

#234 in 2024

51 years of NRS records, 2,746 total registered

Northern Ireland (NISRA)

#398 in 2013

1 years of NISRA records, 3 total registered

Notable bearers

Famous people named Alasdair

  • Alasdair Pollock

    cricketer

    English cricketer (born 1993)

    1993-

  • Alasdair Strokosch

    rugby union player

    Scottish rugby union player

    1983-

  • Alasdair White

    fiddler

    Scottish musician

    1983-

  • Alasdair Roberts

    singer; guitarist

    Scottish folk musician

    1977-

  • Alasdair McLellan

    photographer

    British photographer

    1974-

  • Alasdair Monk

    association football player

    Footballer (born 1972)

    1972-

  • Alasdair Morrison

    politician; journalist

    British politician (born 1968)

    1968-

  • Alasdair Walker

    naval officer

    British medical doctor and Royal Navy officer

    1956-2019

Related

Names similar to Alasdair

FAQ

Alasdair: questions and answers

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

In 2024, Alasdair was ranked #1595 for boys in England and Wales, with 16 births registered.

When was Alasdair most popular?

The peak year on record was 1996, with 71 babies registered as Alasdair in England and Wales.

What is the meaning and origin of Alasdair?

Alasdair is a masculine Scottish Gaelic name meaning "defender of the people".

How many people are called Alasdair in the UK?

A total of 843 babies have been registered as Alasdair across the 29 years of ONS England & Wales records shown here, plus 2,746 more in Scotland and 3 in Northern Ireland.

Where is Alasdair most common?

In the latest published local rankings, Alasdair ranks best in Scotland, where it placed #234 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.