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Janusz

Boys' name

Literal meaning not recorded

Janusz has been given to 5 babies in the U.S. since 1994. 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 1994, with 5 recorded.

Babies named Janusz, 1994

1 in 743,000

Janusz over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Janusz: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Janusz means

Janusz is a given name.

Origin, language, and formation

Janusz is used in Polish.

Pronunciation and spelling

In Polish, Janusz is pronounced /ˈja.nuʂ/.

American usage and historical context

In the United States, 5 boys were recorded with the name Janusz between 1994 and 1994. Its highest annual count was 5 in 1994; its best national rank was #9,423 in 1994.

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 Janusz?

Janusz had fewer than 5 recorded uses in 2025, so these figures use 1994, the last year it was published.

Among all babies, 1994
1 in 743,000
5 of 3,715,972 births
Among boys only
1 in 386,000
<0.01% of boys
Rank, 1994
Unranked
Fewer than 5 uses
Coin-flip room size
515,144 kids
Even odds of a second one

Where Janusz 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 1994 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 515,144 children born in 1994 and it's an even bet that one of them is another Janusz. In a class of 30 the chance is Under 1%.

When Januszs were born

Half of everyone ever recorded as Janusz was born before 1994 — so the typical Janusz is around 31 today.

Median birth year
1994
About 31 years old
Biggest decade
1990s
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

1990s — 100.0% of all recorded uses (5).

Is Janusz 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 1994 (5)
Years since peak
31
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#9,423
1994

Spellings of Janusz

Janusz is not the most common spelling — Jaquez is, with 99.8% against Janusz's 0.23%.

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.

Janusz around the world

Where Janusz 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
    1998–2012
    #4,805
    in 2012
  • France
    1953–1972
    #2,157
    in 1972
  • Norway
    1880–1987
    #553
    in 1987
  • South Australia
    1950–1990
    #484
    in 1990

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Norway and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. SSB, CBS SA data under CC BY 4.0.

Janusz by the numbers

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

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#9,423
1994
Peak year
1994
5 that year
First recorded
1994
Last recorded
1994
All-time count
5
Count in 2025
Under 5

Names similar to Janusz

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

JannerJanakaJanyusJanickJaniyaJannikJanierJanalJantsenJancyJanarisJanasJankoJannickJanineJaneiroJanaeJaneeJanvierJandyJanuellJannuelJansynJanan

Sibling names for Janusz

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 Janusz

Top names of 1994, Janusz's peak yearThe 1990s in fullOther names that peaked in 1994Boys' names starting with JPolish Boy Names