Meaning and name origin
Casimir \c(a)-si-mir\ as a boy's name is pronounced KAH-zee-meer. It is of Slavic origin, and the meaning of Casimir is "famous destroyer (of peace)". Associated with Poland for her famous 11th-century king, who brought peace to the nation. Also a saint's name (15th century).
For more information, see also the related boy name Casey.
There is 1 feminine form of Casimir: Kasmira.
Casimir is not a popular first name for males but a very popular surname or last name for all people (#19767 out of 88799, Top 22%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Casimir for boys. Casimir reached its highest rank of #471 in the U.S. in 1910-1919. (2014 statistics).
Displayed below is a comparison of the popularity of the boy name Casimir and its variant forms. Popular variation forms ranked in the Top 1000/100 are Casey (#530) and Casimir. (2014 statistics).