Tools / Baby names / C
Casmir
BoyMeaning of Casmir: Polish: 'proclaiming peace'
Casmir is a boy's name most strongly associated with Polish naming. It has 6 letters and 2 syllables, and it is a genuinely rare and unique choice — 10033rd most popular boys' name in the United States in 2025.
US rank 2025
#10033
6 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
356
First recorded 1913 · peak 1919
Trend
stable
Style: rare
Popularity over time
Gender split
96% boys · 4% girls, based on US, UK and international usage.
Origins & cultures
More Polish boys' names
Polish · 4 syllables
US #1429UK #586
Polish · 2 syllables
US #1866UK #529
Polish · 3 syllables
US #2232UK #519
Polish · 2 syllables
US #2571UK #1758
Polish · 2 syllables
US #5267UK #1758
Polish · 2 syllables
US #4154UK #1025
Polish · 3 syllables
US #5309UK #360
Polish · 2 syllables
US #6980UK #773
Polish · 3 syllables
US #8224UK #924
Polish · 3 syllables
US #2014UK #3688
Polish · 2 syllables
US #12521UK #1282
Polish · 3 syllables
US #11575UK #826
Other names starting with C
German · 2 syllables
US #52UK #119
German · 2 syllables
US #74UK #17
Greek · 3 syllables
US #71UK #204
Hebrew · 2 syllables
US #62UK #75
English · 2 syllables
US #36UK #103
Latin · 2 syllables
US #101UK #389
Scottish · 3 syllables
US #67UK #216
English · 2 syllables
US #25UK #139
Irish · 2 syllables
US #324UK #107
English · 2 syllables
US #190UK #169
Spanish · 2 syllables
US #158UK #968
Irish · 2 syllables
US #170UK #264