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Sachiko
Pronounced sah-CHEE-koh /sɑˈtʃiː.koʊ/Medium
Meaning: Sachiko is a Japanese feminine name commonly written with characters read sachi, 'happiness', 'good fortune' or 'bliss', and ko, 'child' - 'happy child' or 'child of good fortune'. Exact nuance depends on the characters used.Medium
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
Sachiko is a Japanese feminine name combining sachi, 'happiness' or 'good fortune', with ko, 'child'. In American records it belongs to Japanese-American families across much of the twentieth century, and its long span reflects continued use within the community.
It was never numerous in the United States, appearing at a few dozen girls a year with a faint peak around 1921, though its trail runs into recent decades. Sachiko reads as a warm, classic heritage name and remains familiar in Japan.
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Frequently Asked
What does the name Sachiko mean?
Sachiko is a Japanese girls' name meaning 'happy child' or 'child of good fortune'.
How do you pronounce Sachiko?
It's said sah-CHEE-koh /sɑˈtʃiː.koʊ/ - three syllables, stress in the middle.
Is Sachiko a boy or girl name?
Sachiko is used as a girl's name.
How popular is Sachiko?
Sachiko has always been rare in the United States, a Japanese heritage name that remains common in Japan.