Cosimo

Boy name

Cosimo has been given to 1,016 babies in the U.S. since 1911. It peaked in 1927.

Popularity over time births per year, 1880–2025

Hover or tap the chart to read any year.

Total babies

1,016

Peak year

1927 (30 babies)

Rank in 2025

Below top 1000

First recorded

1911

10-year trend

▲ +78%

Gender split

All boys

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

1,019 babies since 1884

1,013 babies since 1913

1,012 babies since 1890

1,021 babies since 1880

1,021 babies since 1910

1,022 babies since 1907

1,009 babies since 1888

1,025 babies since 1912

How popular is the name Cosimo?

Cosimo has been given to 1,016 babies in the U.S. since 1911. It ranked below the top 1000 in 2025.

When did the name Cosimo peak?

Cosimo peaked in 1927, when 30 babies were given the name.

Is Cosimo a girl or boy name?

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

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