Arni

Girls' name

From Old Norse Arni; literal meaning unconfirmed

Arni has been given to 18 babies in the U.S. since 2004. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2004, with 7 recorded.

Babies named Arni, 2018

1 in 586,000

Arni over time, 1880–2025

Girls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Arni: meaning, origin, and history

From Old Norse Arni; literal meaning unconfirmed

Deeper origin not confirmed in the cited records

What Arni means

Arni is a given name.

Origin, language, and formation

Arni is used in Faroese and Old Norse.

Arni comes through Old Norse Arni.

Pronunciation and spelling

In Faroese, Arni is pronounced /ˈaɻɳɪ/.

American usage and historical context

In the United States, 18 girls were recorded with the name Arni between 2004 and 2018. Its highest annual count was 7 in 2004; its best national rank was #12,897 in 2004.

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.

Wiktionary material is available under CC BY-SA 4.0.

How common is Arni?

Arni had fewer than 5 recorded uses in 2025, so these figures use 2018, the last year it was published.

Among all babies, 2018: 1 in 586,000; 6 of 3,516,853 births
Among girls only: 1 in 283,000; <0.01% of girls
Rank, 2018: Unranked; Fewer than 5 uses
Coin-flip room size: 406,284 kids; Even odds of a second one

Where Arni sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2018 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 406,284 children born in 2018 and it's an even bet that one of them is another Arni. In a class of 30 the chance is Under 1%.

When Arnis were born

Half of everyone ever recorded as Arni was born before 2016 — so the typical Arni is around 9 today.

Median birth year: 2016; About 9 years old
Biggest decade: 2010s; 61.1% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 18; People you could plausibly meet

Choose a decade

2010s — 61.1% of all recorded uses (11).

Is Arni 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: —; Not ranked then
Rank vs 5 years ago: New entry; Not ranked then
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 0%; Peak was 2004 (7)
Years since peak: 21; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #12,897; 2004

Spellings of Arni

Arni is not the most common spelling — Anna is, with 31.7% against Arni's <0.01%.

Anna31.7%914,859
Ann16.3%470,261
Annie12.5%360,253
Anne11.3%325,128
Ana3.9%111,359
Toni3.5%100,198
Aria3.3%95,674
Kari2.1%59,696

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.

Arni around the world

Where Arni 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
2014–2024
#4,271
in 2024

Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.

Arni by the numbers

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

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #12,897; 2004
Peak year: 2004; 7 that year
First recorded: 2004
Last recorded: 2018
All-time count: 18
Count in 2025: Under 5

Names similar to Arni

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

Arnel Arnavi Arnaaz Arnee Arniya Arnez Arnae Varni Arniyah Arna Arnela Arnika Arnelia Arnise Arnica Jerni Arnessa Arnelda Arnola Arnett Arnissa Berni Arneda Arnice

Sibling names for Arni

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

For a sister

Iyanna Charlize Jasmyn Kya Elyssa Shreya Jaci Delanie

For a brother

Kadin Lazaro Reagan Braulio Johnpaul Mikel Rohan Jair

Explore around Arni

Top names of 2004, Arni's peak year The 2000s in full Other names that peaked in 2004 Girls' names starting with A