Atsuko

Girls' name

From Japanese あつこ; literal meaning unconfirmed

Atsuko has been given to 16 babies in the U.S. since 1920. 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 1921, with 6 recorded.

Babies named Atsuko, 1925

1 in 467,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Atsuko: meaning, origin, and history

From Japanese あつこ; literal meaning unconfirmed

Japanese

What Atsuko means

Atsuko is a given name.

Origin, language, and formation

Atsuko is used in English and French. Its origins include Japanese.

Atsuko comes through Japanese あつこ.

Pronunciation and spelling

In French, Atsuko is pronounced /at.su.ko/.

American usage and historical context

In the United States, 16 girls were recorded with the name Atsuko between 1920 and 1925. Its highest annual count was 6 in 1921; its best national rank was #4,504 in 1921.

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 Atsuko?

Atsuko had fewer than 5 recorded uses in 2025, so these figures use 1925, the last year it was published.

Among all babies, 1925: 1 in 467,000; 5 of 2,333,232 births
Among girls only: 1 in 243,000; <0.01% of girls
Rank, 1925: Unranked; Fewer than 5 uses
Coin-flip room size: 323,456 kids; Even odds of a second one

Where Atsuko 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 1925 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 323,456 children born in 1925 and it's an even bet that one of them is another Atsuko. In a class of 30 the chance is Under 1%.

When Atsukos were born

Half of everyone ever recorded as Atsuko was born before 1921 — so the typical Atsuko is around 104 today.

Median birth year: 1921; About 104 years old
Biggest decade: 1920s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 0; People you could plausibly meet

Choose a decade

1920s — 100.0% of all recorded uses (16).

Is Atsuko 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 1921 (6)
Years since peak: 104; Years
Year-to-year steadiness: Shifting; 20.0% average annual change
Best rank ever: #4,504; 1921

Spellings of Atsuko

Atsuko is not the most common spelling — Mitsuko is, with 97.2% against Atsuko's 2.8%.

Mitsuko97.2%565
Atsuko2.8%16

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.

Atsuko 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: #4,504; 1921
Peak year: 1921; 6 that year
First recorded: 1920
Last recorded: 1925
All-time count: 16
Count in 2025: Under 5

Names similar to Atsuko

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

Masuko Tazuko Suzuko Kikuko Mayuko Kinuko Nezuko Mutsuko Itsuko Ikuko Etsuko Tatsuko Ritsuko Katsuko Tsuyuko Satsuko Matsuko Yasuko Natsuko Chizuko Nobuko Tsuruko Kazuko Teruko

Sibling names for Atsuko

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

Elvera Rubie Tressie Lavinia Myrtis Margarette Idella Dortha

For a brother

Hardy Harmon Burl Dewitt Patsy Milford Odis Warner

Explore around Atsuko

Top names of 1921, Atsuko's peak year The 1920s in full Other names that peaked in 1921 Girls' names starting with A