MallowbyNames

Nobuko

信子noh-BOO-koh · Treasured child, extending child, or believing child, depending on the kanji used in writing the name.

Peak popularity
1924
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Nobuko since 1915

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

112233192019602000Most births 1924Girls
Data table (by decade)
DecadeGirls
1910s62
1920s234
1930s63
1940s12
1950s0
1960s0
1970s0
1980s0
1990s0
2000s0
2010s0
2020s0

Meaning & origin

Nobuko is a traditional Japanese feminine name that draws on the common pattern of ending girls' names with 'ko' (child). In the United States, its use has been almost entirely limited to families of Japanese heritage. The first recorded use of Nobuko in the United States was 1915, and it saw its peak year in 1924, reflecting the naming conventions of that era. The name's trajectory has remained stable over the decades, but it has never entered the top 1000. Nobuko carries a sense of cultural heritage and elegance, often chosen by families wishing to honor Japanese roots. Its meaning can vary with kanji choice, but the most common readings suggest a 'faithful child' or 'precious child,' making it a name rich in positive sentiment without being overly common.

Nobuko is a traditional Japanese feminine name composed of two elements: 'nobu' (信, faith; 延, extend; or other kanji) and 'ko' (子, child). The suffix 'ko' was historically common in girls' names, especially from the Meiji era through the mid 20th century. The choice of kanji gives the name its specific meaning, with common interpretations including treasured, extending, or faithful child.

Nicknames & variants

Nicknames: Nobu, Nobuchan, Nobuko-chan

Sibling names for Nobuko

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

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

N is for Nobuko, our favorite little girl.

N is for Nobuko…”

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

Make Nobuko's book

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

Questions parents ask

What does the name Nobuko mean?
Nobuko is a Japanese name that can mean 'treasured child,' 'extending child,' or 'believing child,' depending on the kanji characters used to write it.
Is Nobuko a popular baby name today?
Nobuko has not ranked in the U.S. top 1000 in recent decades. Its peak year in the United States was 1924, when it was given to a modest number of girls. The name saw some use among Japanese American families in the early to mid 20th century.
Is Nobuko a boy's or girl's name?
Nobuko is traditionally a girl's name. The suffix 'ko' (child) is used almost exclusively for girls in Japanese naming conventions.