Casimir

Boy name

Casimir has been given to 5,248 babies in the U.S. since 1894. It peaked in 1919.

Meaning & origin /ˈkæzɪmɪɚ/

From a Polish royal name and saint's name Kazimierz, of Slavic origin, meaning "proclamation of peace".

Origin: Polish

Etymology adapted from Wiktionary, licensed CC BY-SA 4.0.

Hover or tap the chart to read any year.

Total babies

5,248

Peak year

1919 (220 babies)

Rank in 2025

Below top 1000

First recorded

1894

10-year trend

▲ +115%

Gender split

All boys

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

5,247 babies since 1880

5,229 babies since 1880

5,214 babies since 1880

5,211 babies since 1902

5,373 babies since 1880

5,383 babies since 1880

5,430 babies since 1880

5,451 babies since 1880

How popular is the name Casimir?

Casimir has been given to 5,248 babies in the U.S. since 1894. It ranked below the top 1000 in 2025.

When did the name Casimir peak?

Casimir peaked in 1919, when 220 babies were given the name.

Is Casimir a girl or boy name?

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

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