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Casimir
BoyMeaning of Casimir: Polish: 'proclaiming peace'
Casimir is a boy's name most strongly associated with Polish naming. It has 7 letters and 3 syllables, and it is familiar but far from overused — 2014th most popular boys' name in the United States in 2025 and 3688th in England & Wales.
US rank 2025
#2014
73 babies in 2025
England & Wales 2024
#3688
5 babies in 2024
US babies since 1880
5,248
First recorded 1894 · peak 1919
Trend
rising
Style: uncommon
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
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