Casimir doesn`t appear in 2007`s top-1000 name list.
The last time Casimir appeared in the top-1000 was 78 years ago, in 1930. It ranked #636 in that year. . 1920 was a `top year` for the name Casimir. (Based on 128 years of name history) In that year it ranked #412. The last time Casimir appeared among the most common names was in 1910. Our records go back to 1880

Year	Rank	Rank
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1930	636
1920	412
1910	732
1900	---
1890	---
1880	---