NameCensus.

UK boy's name

Cahill

A Celtic boy's name meaning "youngster", "fight", or "battle".

For 2026, the newest official UK baby-name figures on this page are from 2011. That release is the current official benchmark rather than a forecast.

Cahill is a boy's name in the UK records. People looking for Cahill popularity in 2026 should use the latest official release, which is 2011 in this profile. In that release it ranked #3830, with 4 babies registered with the name. Its strongest year in the published records was 2011, with 4 births.

This profile covers 4 England and Wales registrations across 1 recorded years from 2011 to 2011. 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.

Cahill is at its recorded peak in the England and Wales series.

We estimate that about 4 living people in the UK are called Cahill. 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 2012 or 2026.

Key insights

  • Cahill ranked #3830 for boys in England and Wales in 2011, with 4 registrations.
  • The name peaked in 2011, when 4 boys were registered as Cahill.
  • About 4 living people in the UK are estimated to have Cahill as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#3830

2011

Births in 2011

4

Latest year

Peak year

2011

4 births

Estimated living

4

2026

Meaning

What does Cahill mean?

The name Cahill is of Irish origin and dates back to the medieval period. It is derived from the Gaelic words "cath" meaning "battle" and "ghal" meaning "valor" or "bravery". The name was likely given to someone who displayed courage and bravery in battle or warfare.

In its earliest recorded form, the name was spelled "Cathghal" or "Cathghail". It was a popular name among the Irish clans and families, particularly in the regions of Munster and Connacht. The surname "Cahill" is believed to have evolved from this given name.

One of the earliest recorded instances of the name Cahill can be found in the Annals of Inisfallen, a chronicle of medieval Irish history, which mentions a "Cathghal mac Conchobair" in the year 1036. This suggests that the name was in use among the Irish as early as the 11th century.

Throughout history, several notable individuals have borne the name Cahill. One of the most famous was Cahill mac Muiredhaigh (born around 1140), a renowned Irish bard and poet who composed many works celebrating the exploits of the O'Brien family of Thomond.

Another prominent figure was Sir Daniel Cahill (1749-1828), an Irish-born Australian landowner and public servant who played a significant role in the early colonial development of New South Wales. He served as a magistrate and was involved in the establishment of several towns and settlements.

In the realm of literature, Cahill Saunders (1864-1932) was an Irish writer and journalist known for his works depicting life in rural Ireland. His novel "The Shuiler's Child" was widely acclaimed and is considered a classic of Irish literature.

The name Cahill also gained recognition in the field of archaeology through the work of Thomas Cahill (1828-1900), an Irish-born archaeologist and scholar who made significant contributions to the study of prehistoric monuments and sites in Ireland.

Finally, one cannot overlook Reverend Benjamin J. Cahill (1860-1944), an Irish-American Catholic priest who founded the Cahill Club, an organization dedicated to providing educational and social support for Irish immigrants in the United States.

These are just a few examples of individuals who have carried the name Cahill throughout history, each leaving their mark in various fields and contributing to the rich cultural tapestry of the societies they belonged to.

Sourced from namecensus.com.

Decades

Cahill by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Cahill 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
2010s #3830 4 1

Related

Names similar to Cahill

FAQ

Cahill: questions and answers

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

In 2011, Cahill was ranked #3830 for boys in England and Wales, with 4 births registered.

When was Cahill most popular?

The peak year on record was 2011, with 4 babies registered as Cahill in England and Wales.

What is the meaning and origin of Cahill?

A Celtic boy's name meaning "youngster", "fight", or "battle".

How many people are called Cahill in the UK?

A total of 4 babies have been registered as Cahill across the 1 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.