NameCensus.

UK boy's name

Fenrir

A masculine Old Norse name meaning "he who dwells in the marshy plains".

For 2026, the newest official UK baby-name figures on this page are from 2021. That release is the current official benchmark rather than a forecast.

Fenrir is a boy's name in the UK records. People looking for Fenrir popularity in 2026 should use the latest official release, which is 2021 in this profile. In that release it ranked #2301, with 9 babies registered with the name. Its strongest year in the published records was 2021, with 9 births.

This profile covers 13 England and Wales registrations across 2 recorded years from 2017 to 2021. 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.

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

We estimate that about 13 living people in the UK are called Fenrir. 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 2022 or 2026.

Key insights

  • Fenrir ranked #2301 for boys in England and Wales in 2021, with 9 registrations.
  • The name peaked in 2021, when 9 boys were registered as Fenrir.
  • About 13 living people in the UK are estimated to have Fenrir as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#2301

2021

Births in 2021

9

Latest year

Peak year

2021

9 births

Estimated living

13

2026

Meaning

What does Fenrir mean?

Fenrir is a name of Norse origin, derived from the Old Norse word "fenrir," meaning "he who dwells in the marshes." Its roots can be traced back to the Viking era, around the 8th to 11th centuries AD, when the Norse culture flourished across Scandinavia and parts of northern Europe.

The name gained significant prominence in Norse mythology, where Fenrir was the name of a monstrous wolf, depicted as the son of the trickster god Loki and the giantess Angrboða. According to the Prose Edda, an Old Norse collection of myths and legends, Fenrir was prophesied to play a crucial role in the events of Ragnarök, the Norse apocalypse.

One of the earliest recorded mentions of the name Fenrir can be found in the Poetic Edda, a collection of Old Norse poems dating back to the 13th century. The poem "Völuspá" (The Prophecy of the Seeress) speaks of Fenrir's birth and his eventual breaking free from his chains during Ragnarök, leading to the destruction of the gods and the world.

Throughout history, the name Fenrir has been associated with various individuals, primarily those with a connection to Norse culture or mythology. One notable example is Fenrir Greyback, a fictional character from the Harry Potter book series by J.K. Rowling, who is depicted as a werewolf.

Another individual bearing the name Fenrir was Fenrir Saeviðsson (1927-2010), an Icelandic writer and poet known for his works exploring Norse mythology and Icelandic folklore.

In the realm of music, Fenrir is the name of a Swedish black metal band formed in 1994, further perpetuating the association of the name with Norse themes.

Additionally, Fenrir was the name given to a wolf in the popular animated film "Alpha and Omega" (2010), further solidifying the connection between the name and the image of a powerful, fierce wolf.

Lastly, Fenrir Hagen (1900-1991) was a Norwegian novelist and poet whose works often drew inspiration from Norse mythology and the rugged landscapes of Norway.

Sourced from namecensus.com.

Popularity

Fenrir over time

The chart below shows babies named Fenrir registered in England and Wales in the years where the name appears in the published records, from 2017 to 2021. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Fenrir, the clearest high point is 2021. The latest England and Wales figure is 9 births in 2021, compared with 9 at the peak.

Babies born per year

Fenrir
02579201720192021

Decades

Fenrir by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Fenrir 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 #2301 9 1
2010s #3996 4 1

Related

Names similar to Fenrir

FAQ

Fenrir: questions and answers

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

In 2021, Fenrir was ranked #2301 for boys in England and Wales, with 9 births registered.

When was Fenrir most popular?

The peak year on record was 2021, with 9 babies registered as Fenrir in England and Wales.

What is the meaning and origin of Fenrir?

A masculine Old Norse name meaning "he who dwells in the marshy plains".

How many people are called Fenrir in the UK?

A total of 13 babies have been registered as Fenrir across the 2 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.