Casimer

Casimer is a masculine name of Polish origin, representing an Anglicized variant of Kazimierz (Casimir). The name derives from Slavic elements meaning 'destroyer of peace' or 'announcer of peace,' though the latter interpretation is more commonly embraced. It gained prominence through several Polish kings and saints named Casimir, particularly St. Casimir, patron saint of Poland and Lithuania. While never extremely common in English-speaking countries, Casimer enjoyed modest usage in Polish-American communities throughout the 20th century. The name carries an air of aristocratic heritage and Eastern European character. Its traditional roots appeal to parents seeking names with historical depth and cultural significance. Casimer offers its bearers a distinguished name with royal connections while remaining distinctive in most contemporary settings.

Pronounced KAZ-uh-mer.

As of October 2026, Casimer ranked #12604 in US births in 2017 SSA, peaked at #510 in 1917.