BoyPolish origin3 syllables
Casimir
Meaning: “proclamation of peace”
About the name Casimir
Casimir is a boy name with Polish roots, meaning “proclamation of peace”.
It has a unique feel. In 2025, Casimir ranked #2039 for boys in the US, with 73 babies given the name. Its peak year since 1940 was 2025. Since 2000, 100% of US babies named Casimir were boys.
Etymology
From Polish, meaning “proclamation of peace”.
Name meaning adapted from Wiktionary (“Casimir”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #2039
- In 2015
- #3307
- Babies in 2025
- 73
Popularity of Casimir, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Casimir
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.