Reiko: Name Popularity, History & Rankings (1880

Rank 2025

–

among girls

Babies in 2025

named Reiko

How common

–

girls born in 2025

Peak year

1975

29 babies

All-time total

690

#9,796 all-time among girls

First recorded

1921

in Social Security records

Reiko popularity over time

690 babies have been named Reiko since 1921, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure

Births per 1,000 babies of that sex, comparable across eras

GirlsBoys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade	Girls	Boys	Total	Per year	Change	Best rank
1880s	–	–	–	–	–	–
1890s	–	–	–	–	–	–
1900s	–	–	–	–	–	–
1910s	–	–	–	–	–	–
1920s	42	–	42	4	–	#2,921
1930s	86	–	86	9	+105%	#2,366
1940s	52	–	52	5	-40%	#2,809
1950s	–	–	–	–	–	–
1960s	64	–	64	6	–	#4,546
1970s	139	6	145	15	+127%	#3,131
1980s	73	–	73	7	-50%	#7,004
1990s	73	–	73	7	0%	#8,199
2000s	55	6	61	6	-16%	#11,423
2010s	59	–	59	6	-3%	#11,079
2020s (to 2025)	28	7	35	6	-1%	#9,411

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.

How old are people named Reiko?

The median living Reiko is about 42 years old; half are between 23 and 54. An estimated 600 people named Reiko are alive in the United States today.

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

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

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

1 Reiko Aylesworth American actress (born 1972) Contemporary
2 Reiko Nakamura Japanese swimmer (born 1982) Contemporary
3 Reiko Tosa Japanese long-distance runner b. 1976 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Reiko, drawn from the same Social Security data as the charts above.

How old is the average Reiko?

The median living Reiko is about 42 years old. Half of all living Reikos are between 23 and 54 years old.

How many people named Reiko are alive today?

An estimated 600 people named Reiko are alive in the United States, based on 690 recorded births and Social Security life tables.

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 Nakamura (swimmer), Reiko Tosa (athlete).

Names like Reiko

Names that sound and feel close to Reiko: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Reiko with similar names → More names starting with R →