Sidiropoulos Surname Meaning

The Greek surname Sidiropoulos (Σιδηρόπουλος) is a patronymic and occupational surname, meaning it is derived from the trade or identifying role of a male ancestor. The root Sidero- comes from the Greek word sídero (σίδερο), meaning “iron,” and is associated with siderós, meaning “iron made” or “iron strong.” This root was commonly used to refer to blacksmiths or metalworkers, as well as metaphorically to describe someone strong or resilient. The suffix -opoulos is a patronymic marker that developed during the Byzantine period and became especially common in the Peloponnese and southern mainland Greece, meaning “son of” or “descendant of.” Consequently, the surname Sidiropoulos signifies “the son of the iron worker” or “the descendant of the iron strong one,” reflecting either occupation or a symbolic trait of strength.