NameCensus.

UK boy's name

Caydan

An English masculine name of unknown origin, potentially a modern invented name.

For 2026, the newest official UK baby-name figures on this page are from 2020. That release is the current official benchmark rather than a forecast.

Caydan is a boy's name in the UK records. People looking for Caydan popularity in 2026 should use the latest official release, which is 2020 in this profile. In that release it ranked #4608, with 3 babies registered with the name. Its strongest year in the published records was 2009, with 7 births.

This profile covers 42 England and Wales registrations across 10 recorded years from 2005 to 2020. 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.

The latest count is about 43% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 42 living people in the UK are called Caydan. 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 2021 or 2026.

Key insights

  • Caydan ranked #4608 for boys in England and Wales in 2020, with 3 registrations.
  • The name peaked in 2009, when 7 boys were registered as Caydan.
  • About 42 living people in the UK are estimated to have Caydan as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#4608

2020

Births in 2020

3

Latest year

Peak year

2009

7 births

Estimated living

42

2026

Meaning

What does Caydan mean?

The given name Caydan is believed to have its origins in the ancient Celtic languages spoken in parts of what is now Ireland, Scotland, and Wales. The name is thought to be derived from the old Celtic word "caid," meaning "warrior" or "battle."

In the early medieval period, variations of the name were found in old Irish and Welsh texts, often referring to notable figures or characters from Celtic mythology and folklore. Some historians believe the name may have been associated with the legendary Irish king Caidyn mac Bairc, who ruled in the 6th century AD.

One of the earliest recorded instances of the name Caydan can be found in the Annals of Ulster, a chronicle of medieval Irish history. In this text, a man named Caydan mac Conaill is mentioned as a prominent chieftain in the year 791 AD.

Throughout the Middle Ages and into the Renaissance period, the name Caydan continued to be used sporadically across the Celtic regions of the British Isles. Notable historical figures with this name include Caydan ap Rhys, a Welsh nobleman and military leader who fought against the English during the 13th century.

In the 16th century, a Scottish warrior named Caydan MacLeod gained fame for his exploits in the Highland clans' battles against the English. His name and deeds were recorded in several contemporary chronicles and ballads.

Another notable bearer of the name was Caydan O'Flaherty, an Irish chieftain and rebel who led an uprising against English rule in the early 17th century. His resistance efforts were celebrated in various Irish folk songs and poems of the time.

As the centuries passed, the name Caydan fell out of common usage, but it continued to appear occasionally in various historical records and literature from the Celtic regions. In the 19th century, an Irish poet named Caydan O'Reilly gained some recognition for his works celebrating Ireland's ancient heritage and traditions.

Sourced from namecensus.com.

Popularity

Caydan over time

The chart below shows babies named Caydan registered in England and Wales in the years where the name appears in the published records, from 2005 to 2020. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Caydan, the clearest high point is 2009. The latest England and Wales figure is 3 births in 2020, compared with 7 at the peak.

Babies born per year

Caydan
02457200520122020

Decades

Caydan by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Caydan 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 #4608 3 1
2010s #4062 16 4
2000s #3310 23 5

Related

Names similar to Caydan

FAQ

Caydan: questions and answers

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

In 2020, Caydan was ranked #4608 for boys in England and Wales, with 3 births registered.

When was Caydan most popular?

The peak year on record was 2009, with 7 babies registered as Caydan in England and Wales.

What is the meaning and origin of Caydan?

An English masculine name of unknown origin, potentially a modern invented name.

How many people are called Caydan in the UK?

A total of 42 babies have been registered as Caydan across the 10 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.