Siim: Name day

Siim is celebrated on its official name day in Estonia, which falls on October 28.

Siim is a historically significant Estonian name that serves as a localized variant of Simon. It is almost exclusively used in Estonia, where it maintains a strong and traditional masculine status. The name is characterized by a minimalist, crisp, and strong mood that suggests dependability. While it is rarely found in the United States, it remains a staple of the Estonian naming tradition. Its origins trace back to ancient linguistic roots that have evolved through generations of Baltic culture. The name is widely recognized for its simplicity and steady, grounded personality.