NameCensus.

UK girl's name

Reannan

A feminine Irish name of uncertain origin meaning "little seal".

For 2026, the newest official UK baby-name figures on this page are from 2000. That release is the current official benchmark rather than a forecast.

Reannan is a girl's name in the UK records. People looking for Reannan popularity in 2026 should use the latest official release, which is 2000 in this profile. In that release it ranked #2746, with 5 babies registered with the name. Its strongest year in the published records was 2000, with 5 births.

This profile covers 5 England and Wales registrations across 1 recorded years from 2000 to 2000. 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.

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

We estimate that about 5 living people in the UK are called Reannan. 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 2001 or 2026.

Key insights

  • Reannan ranked #2746 for girls in England and Wales in 2000, with 5 registrations.
  • The name peaked in 2000, when 5 girls were registered as Reannan.
  • About 5 living people in the UK are estimated to have Reannan as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2746

2000

Births in 2000

5

Latest year

Peak year

2000

5 births

Estimated living

5

2026

Meaning

What does Reannan mean?

The name Reannan is of Gaelic origin, originating from the Scottish Highlands and Islands during the Middle Ages. Its roots can be traced back to the Old Irish word "rionnach," meaning "ferny" or "abounding in ferns." This suggests that the name may have initially been a descriptive one, perhaps referring to someone who lived in a fern-rich area or had a close connection with the plant.

One of the earliest recorded instances of the name can be found in the Annals of Ulster, a chronicle of medieval Irish history. In the entry for the year 1228, a man named "Reannan Mac Sorley" is mentioned as a participant in a battle between rival Irish clans. This provides evidence that the name was in use in Ireland during the 13th century.

In the 16th century, a Scottish clan chief named Reannan MacDonald is recorded as leading his clan in a series of skirmishes against neighboring clans in the Hebrides Islands. This suggests that the name had also gained popularity in Scotland by this time, likely carried over from its Irish roots.

Fast forward to the 17th century, and we find a notable figure named Reannan O'Donnell, an Irish Catholic priest who was executed in 1642 during the Irish Confederate Wars for his alleged involvement in a plot against English authorities. His martyrdom and steadfast adherence to his faith made him a revered figure in Irish history.

Moving into the 18th century, a woman named Reannan Macleod (1720-1789) gained recognition as a skilled weaver and preserver of traditional Gaelic textile arts in the Scottish Highlands. Her work helped ensure the survival of important cultural traditions during a time of great upheaval in the region.

Finally, in the 19th century, a Scottish poet named Reannan MacLean (1836-1901) gained acclaim for his works celebrating the natural beauty of the Scottish Highlands and the rich cultural heritage of the Gaelic people. His poetry played a significant role in the Scottish literary renaissance of the time.

While these are just a few examples, they illustrate the long and varied history of the name Reannan, which has been borne by individuals from diverse backgrounds and walks of life throughout the centuries, all with roots tracing back to the ancient Gaelic languages of Ireland and Scotland.

Sourced from namecensus.com.

Decades

Reannan by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Reannan 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 #2746 5 1

Related

Names similar to Reannan

FAQ

Reannan: questions and answers

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

In 2000, Reannan was ranked #2746 for girls in England and Wales, with 5 births registered.

When was Reannan most popular?

The peak year on record was 2000, with 5 babies registered as Reannan in England and Wales.

What is the meaning and origin of Reannan?

A feminine Irish name of uncertain origin meaning "little seal".

How many people are called Reannan in the UK?

A total of 5 babies have been registered as Reannan 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.