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Home › Baby Names Directory › Yasuko

Yasuko

♀ Girl

How to Pronounce Yasuko

Pronounced yah-SOO-koh /jaˈsu.ko/Medium

Meaning: Yasuko is a Japanese feminine name ending in -ko 'child'. The element yasu is most often written with a character meaning 'peaceful, calm, tranquil', giving 'peaceful child'; because it depends on the kanji, other senses are possible.Medium

In 30 seconds: Yasuko is a Japanese feminine name, often read as 'peaceful child', carried by early Japanese immigrant families. It stayed very rare in the United States (said yah-SOO-koh).
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Origin MediumJapanese
MeaningYasuko is a Japanese feminine name ending in -ko 'child'. The element yasu is most often written with a character meaning 'peaceful, calm, tranquil', giving 'peaceful child'; because it depends on the kanji, other senses are possible.
U.S. rank (1979)#11949 ↘ Falling
1979 U.S. births5 girls (0.00% of U.S. girls)
Peak year1921
Total births (all-time)≈ 294
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Popularity in the U.S. · SSA data

peak 192119131979

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Yasuko is a Japanese feminine name formed with -ko 'child' and yasu, most often written with a character meaning 'peaceful' or 'tranquil' - so 'peaceful child', though the exact sense depends on the kanji. It appears in United States birth records among Issei and Nisei families in the early twentieth century, reached its small high around 1921, and its recorded use continued into the later nineteen-seventies, always rare at a couple dozen girls a year.

A girl named Yasuko belonged to the Japanese-American community whose history includes the wartime internment years. The mountaineer Yasuko Namba, one of the first Japanese women to climb the highest peak on each continent, carried the name. It reads as an authentic, graceful Japanese name of its era.

Did you know? In Yasuko, yasu often carries the sense of 'peaceful' or 'calm' - a gentle, hopeful wish folded into the name.
Overall data confidence 60%
References - Yasuko — Japanese feminine; -ko 'child'; yasu often 'peaceful'; meaning kanji-dependent

Variations

YasuYasue

Nicknames

Yasu

Famous Bearers

  • ★Yasuko Namba (1949-1996)
    Japanese mountaineer, among the first Japanese women to summit the highest peak on each continent.

If you like Yasuko…

Sadako— a parallel Japanese name of the same period
Michiko— a familiar Japanese -ko name of similar style
Hisako— another Japanese -ko feminine of the era
Kimiko— a like Japanese -ko name from the same cohort

Explore names like Yasuko

All themes →All meanings →All origins →

Frequently Asked

What does the name Yasuko mean?

It is a Japanese feminine name ending in -ko 'child', with yasu often meaning 'peaceful', so 'peaceful child'; the exact sense depends on the kanji.

How do you pronounce Yasuko?

It's said yah-SOO-koh /jaˈsu.ko/, three syllables, stress on the middle.

Is Yasuko a boy or girl name?

Yasuko is used as a girl's name.

How popular is Yasuko?

It was always very rare in the United States, a Japanese heritage name given to only a couple dozen girls a year around the nineteen-twenties.

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