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Fenrir

#7,331 in 2025Boys' name

Marsh, fen

Fenrir has been given to 125 babies in the U.S. since 2016. In 2025 it ranked #7,331 of 13,926 boys’ names in use. Its peak year was 2023, with 20 recorded.

Babies named Fenrir, 2025

1 in 301,000

Fenrir over time, 1880–2025

Boys
0510152018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Fenrir: meaning, origin, and history

Marsh, fen

Deeper origin not confirmed in the cited records

What Fenrir means

Fenrir means “marsh, fen”.

American usage and historical context

In the United States, 125 boys were recorded with the name Fenrir between 2016 and 2025. Its highest annual count was 20 in 2023; its best national rank was #4,936 in 2023.

Over 5 years its rank fell, from #6,400 in 2020 to #7,331 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

How common is Fenrir?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 301,000
11 of 3,315,165 births
Among boys only
1 in 155,000
<0.01% of boys
Rank, 2025
#7,331
of 13,926 boys’ names in use
Coin-flip room size
208,901 kids
Even odds of a second one

Where Fenrir sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 208,901 children born in 2025 and it's an even bet that one of them is another Fenrir. In a class of 30 the chance is Under 1%.

When Fenrirs were born

Half of everyone ever recorded as Fenrir was born before 2022 — so the typical Fenrir is around 3 today.

Median birth year
2022
About 3 years old
Biggest decade
2020s
74.4% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
125
People you could plausibly meet
Choose a decade

2020s — 74.4% of all recorded uses (93).

Is Fenrir rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−1,824
Places dropped
Rank vs 5 years ago
−931
Places dropped
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
55.0%
Peak was 2023 (20)
Years since peak
2
Years
Year-to-year steadiness
Volatile
41.5% average annual change
Best rank ever
#4,936
2023

Spellings of Fenrir

Fenrir is not the most common spelling — Henri is, with 36.6% against Fenrir's 0.86%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Fenrir around the world

Where Fenrir ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2017–2021
    #2,301
    in 2021
  • South Australia
    2013–2013
    #754
    in 2013

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Fenrir by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#7,331
Trend vs 5 yrs ago
Down 931
Best rank ever
#4,936
2023
Peak year
2023
20 that year
First recorded
2016
Last recorded
2025
All-time count
125
Count in 2025
11

Names similar to Fenrir

Matched on shared beginnings and endings, similar length, and comparable popularity.

FennecFenrisFenyxFenwickFenderFenwayFennFennerFentonFenixFendiFengFenleyFentressFenFennell

Sibling names for Fenrir

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Fenrir

Top names of 2023, Fenrir's peak yearThe 2020s in fullOther names that peaked in 2023Boys' names starting with F