Koichi

Boy name

Koichi has been given to 145 babies in the U.S. since 1914. It peaked in 1921.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

145

Peak year

1921 (16 babies)

Rank in 2025

Below top 1000

First recorded

1914

10-year trend

New / returning

Gender split

All boys

Same primary gender, peaked around the same years, and roughly as common as Koichi.

145 babies since 1915

146 babies since 1911

146 babies since 1913

146 babies since 1914

146 babies since 1914

146 babies since 1914

146 babies since 1915

146 babies since 1916

How popular is the name Koichi?

Koichi has been given to 145 babies in the U.S. since 1914. It ranked below the top 1000 in 2025.

When did the name Koichi peak?

Koichi peaked in 1921, when 16 babies were given the name.

Is Koichi a girl or boy name?

Koichi is primarily a boy name (100% of babies named Koichi are boys).

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