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Chizuko

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How to Pronounce Chizuko

Pronounced chee-ZOO-ko /tʃiˈzu.ko/Medium

Meaning: Chizuko is a Japanese girls' name, written here in romaji. A common reading joins chi, meaning thousand, to the classic girls' ending ko, meaning child, for a sense such as child of a thousand blessings. As with other Japanese names, the precise meaning depends on the written characters chosen by the family.Low

In 30 seconds: Chizuko is a Japanese girls' name often read as thousand child. It appears in early twentieth-century American records among Japanese-heritage families (said chee-ZOO-ko).

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Origin MediumJapanese

MeaningChizuko is a Japanese girls' name, written here in romaji. A common reading joins chi, meaning thousand, to the classic girls' ending ko, meaning child, for a sense such as child of a thousand blessings. As with other Japanese names, the precise meaning depends on the written characters chosen by the family.

U.S. rank (1935)#4313 ↘ Falling

1935 U.S. births5 girls (0.00% of U.S. girls)

Peak year1921

Total births (all-time)≈ 169

Popularity in the U.S. · SSA data

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

Chizuko is a Japanese name whose meaning rests on its characters, most often pairing chi, thousand, with ko, child. In American records it belongs to the early twentieth century, among Issei and Nisei Japanese-American families. Many families of that generation later faced wartime internment, a hard chapter that this quiet, dignified name silently spans.

The name was rare in the United States throughout, given to only about twenty girls a year even at its high around the early nineteen-twenties, entirely within Japanese-heritage communities. A girl named Chizuko then would be more than a hundred today, part of a generation that lived through great upheaval.

Did you know? The ko ending, meaning child, was extremely common in Japanese girls' names of the early twentieth century, which is exactly the era when Chizuko saw its small American use.

Overall data confidence 50%

References - Chizuko — Japanese given name; chi plus ko, meaning varies by kanji; romaji only

Variations

ChizuyoChizuChiyoko

Nicknames

ChiChizu

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If you like Chizuko…

Chiyoko— another Japanese -ko name sharing the chi element

Kimiko— a like classic Japanese girls' name

Sadako— shares the traditional -ko child ending

Yoko— another Japanese girls' name of the era

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Frequently Asked

What does the name Chizuko mean?

It is a Japanese name commonly read as chi, thousand, plus ko, child; the exact sense depends on the characters used.

How do you pronounce Chizuko?

It is said chee-ZOO-ko /tʃiˈzu.ko/, three syllables with the stress on the middle.

Is Chizuko a boy or girl name?

Chizuko is used as a girl's name.

How popular is Chizuko?

It has always been rare in the United States, given to only about twenty girls a year at its peak in the early nineteen-twenties, within Japanese-heritage families.