Meaning and name origin
Kasimir \k(a)-si-mir\ as a boy's name is pronounced KAZ-e-meer. It is of Slavic origin, and the meaning of Kasimir is "famous destroyer (of peace)". Variant of Casimir (Slavic) "bring peace". The name of the patron saint of Poland; also a favored name of Polish royalty. See also Casimir.
Kasimir is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Kasimir and its variant forms. The only popular variation form ranked in the Top 1000/100 is Casimir. (2014 statistics).
A suggested similar baby name is Kasimiro. Like Kasimir, this name is not commonly used.