Reiko
Girl nameReiko has been given to 690 babies in the U.S. since 1921. It peaked in 1975.
Popularity over time births per year, 1880–2025
Total babies
690
Peak year
1975 (29 babies)
Rank in 2025
Below top 1000
First recorded
1921
10-year trend
▼ -100%
Gender split
97% girls / 3% boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Reiko.
Sibling name ideas for Reiko
Same era and popularity as Reiko, avoiding matching initials or rhymes.
FAQ
How popular is the name Reiko?
Reiko has been given to 690 babies in the U.S. since 1921. It ranked below the top 1000 in 2025.
When did the name Reiko peak?
Reiko peaked in 1975, when 29 babies were given the name.
Is Reiko a girl or boy name?
Reiko is primarily a girl name (97% of babies named Reiko are girls).
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