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Sif

Girls' name

From Old Norse Sif; literal meaning unconfirmed

Sif has been given to 5 babies in the U.S. since 2021. 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 2021, with 5 recorded.

Babies named Sif, 2021

1 in 678,000

Sif over time, 1880–2025

Girls
024618801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Sif: meaning, origin, and history

From Old Norse Sif; literal meaning unconfirmed

Old Norse

What Sif means

Sif is a given name.

Origin, language, and formation

Sif is used in Danish and Icelandic. Its origins include Old Norse.

Sif comes through Old Norse Sif.

Pronunciation and spelling

In Icelandic, Sif is pronounced [ˈsɪːv].

American usage and historical context

In the United States, 5 girls were recorded with the name Sif between 2021 and 2021. Its highest annual count was 5 in 2021; its best national rank was #17,344 in 2021.

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 Sif?

Sif had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021
1 in 678,000
5 of 3,389,958 births
Among girls only
1 in 328,000
<0.01% of girls
Rank, 2021
Unranked
Fewer than 5 uses
Coin-flip room size
469,949 kids
Even odds of a second one

Where Sif 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 2021 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 469,949 children born in 2021 and it's an even bet that one of them is another Sif. In a class of 30 the chance is Under 1%.

When Sifs were born

Half of everyone ever recorded as Sif was born before 2021 — so the typical Sif is around 4 today.

Median birth year
2021
About 4 years old
Biggest decade
2020s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
5
People you could plausibly meet
Choose a decade

2020s — 100.0% of all recorded uses (5).

Is Sif 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 2021 (5)
Years since peak
4
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#17,344
2021

Sif around the world

Where Sif 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.

  • France
    1979–2019
    #5,658
    in 2019

Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.

Sif 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
#17,344
2021
Peak year
2021
5 that year
First recorded
2021
Last recorded
2021
All-time count
5
Count in 2025
Under 5

Names similar to Sif

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

SifraSifatSifaSifan

Sibling names for Sif

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 Sif

Top names of 2021, Sif's peak yearThe 2020s in fullOther names that peaked in 2021Girls' names starting with SIcelandic Girl Names