Reiko
A female given name from Japanese.
Every Reiko since 1921 — 690 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Reiko
Reiko is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1921, 690 American babies have been named Reiko. Its peak came in 1975, when 29 newborns received the name — the signature sound of the 1970s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Reiko stood among all girls' names in any year, or use the compare tool to plot it against other names.
Reiko year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | — | — |
| 2024 | — | — | — | — |
| 2023 | 9 | #10,992 | — | — |
| 2022 | — | — | — | — |
| 2021 | 8 | #11,969 | 7 | #10,547 |
| 2020 | 11 | #9,411 | — | — |
| 2019 | 6 | #15,187 | — | — |
| 2018 | 8 | #12,261 | — | — |
| 2017 | 5 | #17,900 | — | — |
| 2016 | 6 | #15,840 | — | — |
| 2015 | 6 | #16,016 | — | — |
| 2014 | 6 | #16,117 | — | — |
| 2013 | 7 | #14,286 | — | — |
| 2012 | 10 | #11,079 | — | — |
| 2011 | 5 | #18,964 | — | — |
| 2010 | — | — | — | — |
| 2009 | 5 | #19,576 | — | — |
| 2008 | 8 | #13,553 | 6 | #12,238 |
| 2007 | 6 | #17,147 | — | — |
| 2006 | — | — | — | — |
| 2005 | — | — | — | — |
| 2004 | 9 | #11,423 | — | — |
| 2003 | 6 | #15,336 | — | — |
| 2002 | 8 | #11,947 | — | — |
| 2001 | 7 | #13,169 | — | — |
| 2000 | 6 | #14,608 | — | — |
| 1995 | 5 | #15,183 | — | — |
| 1990 | 9 | #9,046 | — | — |
| 1985 | 6 | #10,311 | — | — |
| 1980 | 7 | #8,825 | — | — |
| 1975 | 23 | #3,131 | 6 | #5,318 |
| 1970 | 12 | #4,702 | — | — |
| 1965 | 7 | #5,682 | — | — |
| 1960 | 7 | #5,583 | — | — |
| 1955 | — | — | — | — |
| 1950 | — | — | — | — |
| 1945 | 9 | #3,338 | — | — |
| 1940 | 6 | #4,251 | — | — |
| 1935 | 8 | #3,374 | — | — |
| 1930 | 9 | #3,280 | — | — |
| 1925 | — | — | — | — |
| 1920 | — | — | — | — |
| 1915 | — | — | — | — |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Famous people named Reiko
- Reiko Aylesworth Actor · b. 1972
- Reiko Tosa Athlete · b. 1976
- Reiko Nakamura Swimmer · b. 1982
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Reiko mean?
A female given name from Japanese.
How popular is the name Reiko in 2025?
Reiko did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Reiko?
690 babies have been named Reiko in the United States since 1921, based on Social Security card applications.
When was the name Reiko most popular?
Reiko peaked in 1975, when 29 newborns received the name.
Is Reiko a boy or girl name?
Reiko is overwhelmingly a girl's name — 97% of babies with the name.
Is the name Reiko rising or falling?
Reiko is declining — less popular now than a decade ago.
Who are famous people named Reiko?
Well-known people named Reiko include Reiko Aylesworth (actor), Reiko Tosa (athlete), Reiko Nakamura (swimmer).