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Chiyoko

♀ Girl

Pronounced chee-YOH-koh /tʃiˈjoʊ.koʊ/Medium

Meaning: Chiyoko is a Japanese girl's name; chiyo means 'a thousand generations' or 'eternal', and the -ko ending means 'child', giving the classic reading 'child of a thousand generations'.Medium

In 30 seconds: Chiyoko is a Japanese girl's name meaning 'child of a thousand generations', carried by early Japanese-American families (said 'chee-YOH-koh').

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Origin HighJapanese

MeaningChiyoko is a Japanese girl's name; chiyo means 'a thousand generations' or 'eternal', and the -ko ending means 'child', giving the classic reading 'child of a thousand generations'.

U.S. rank (1937)#4352 ↘ Falling

1937 U.S. births5 girls (0.00% of U.S. girls)

Peak year1923

Total births (all-time)≈ 544

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

Chiyoko joins chiyo, 'a thousand generations' or 'eternal', with the familiar -ko, 'child' — a name wishing long continuity on a daughter. It entered U.S. records through early Issei and Nisei families.

Its brief American window, cresting around 1923 and thinning by the late nineteen-thirties, reflects that small immigrant community and its wartime disruptions. Like many -ko names it has grown rare even in Japan, and it reads in the U.S. as a heritage name.

Did you know? The -ko ending, meaning 'child', once closed a great many Japanese girls' names; Chiyoko's short American span mirrors the first Japanese-American generations of the early twentieth century.

Overall data confidence 75%

References — Chiyoko — Japanese 'child of a thousand generations'

Variations

Chiyo

Nicknames

ChiyoChii

Famous Bearers

Famous bearers coming soon.

If you like Chiyoko…

Shizue— a Japanese girl's name of the same immigrant generation

Sumiko— another classic Japanese -ko name with a gentle meaning

Kimiko— a traditional Japanese girl's name ending in -ko, 'child'

Kazuko— the same vintage feel

Teruko— shares Chiyoko's Japanese roots

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Frequently Asked

What does the name Chiyoko mean?

Chiyoko is a Japanese girl's name meaning 'child of a thousand generations', from chiyo, 'a thousand generations', and -ko, 'child'.

How do you pronounce Chiyoko?

It's said chee-YOH-koh /tʃiˈjoʊ.koʊ/ — three syllables, stress on the middle.

Is Chiyoko a boy or girl name?

Chiyoko is used as a girl's name.

How popular is Chiyoko?

Chiyoko was a rare heritage name in the U.S., carried by early Japanese-American families and uncommon since mid-century.