Kazuko
Girl nameKazuko has been given to 398 babies in the U.S. since 1915. It peaked in 1927.
Popularity over time births per year, 1880–2025
Total babies
398
Peak year
1927 (63 babies)
Rank in 2025
Below top 1000
First recorded
1915
10-year trend
New / returning
Gender split
All girls
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Kazuko.
Sibling name ideas for Kazuko
Same era and popularity as Kazuko, avoiding matching initials or rhymes.
FAQ
How popular is the name Kazuko?
Kazuko has been given to 398 babies in the U.S. since 1915. It ranked below the top 1000 in 2025.
When did the name Kazuko peak?
Kazuko peaked in 1927, when 63 babies were given the name.
Is Kazuko a girl or boy name?
Kazuko is primarily a girl name (100% of babies named Kazuko are girls).
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