Pure
Kasia is the traditional Polish diminutive of Katarzyna, the Polish form of Katherine. It shares the same etymological roots as Katherine, which is widely believed to be derived from the Greek word 'katharos'.
About 23 girls were named Kasia in 2025.
US births per 5-year period, 1990–present (SSA data).
Polish-Italian actress and model
Polish fashion model
Polish pop rock singer and songwriter
Lead singer of the Polish rock band Hey
