MallowbyNames

Natsuko

NAHT-soo-koh · summer child

Peak popularity
1925
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Natsuko since 1913

Babies named Natsuko per year in U.S. Social Security records.

61117192019602000Most births 1925Girls
Data table (by decade)
DecadeGirls
1910s43
1920s88
1930s9
1940s0
1950s0
1960s0
1970s0
1980s0
1990s15
2000s0
2010s0
2020s0

Meaning & origin

Natsuko is a Japanese feminine name that combines natsu (summer) with the common feminine suffix ko (child). Its use in the United States has been relatively rare, with its peak recorded year being 1925, reflecting a modest presence during the early 20th century when Japanese immigration was more restricted. Despite this, the name has maintained a stable but low trajectory over the decades, never entering widespread popularity. The name carries a gentle seasonal imagery and connects to a traditional Japanese naming convention, making it a distinctive choice for those seeking a name with cultural roots in Japan.

Natsuko is a Japanese name composed of the elements natsu (summer) and ko (child). It has been used in Japan since at least the early 20th century, with its peak popularity in the 1920s. The name follows the traditional pattern of Japanese feminine names ending in ko.

Nicknames & variants

Nicknames: Natsu

Sibling names for Natsuko

Names that share Natsuko's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

N is for Natsuko, our favorite little girl.

N is for Natsuko…”

In a Mallowby alphabet book, Natsuko's letter becomes Natsuko's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Natsuko's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Natsuko mean?
Natsuko means 'summer child' in Japanese, from natsu (summer) and ko (child).
How popular is the name Natsuko?
Natsuko has not ranked among the top 1,000 names in the U.S. since records began in 1880. Its peak year in usage was 1925.
Is Natsuko a boy or girl name?
Natsuko is a feminine name.