Costiou Surname Meaning
The Greek surname Costiou (Κωστίου or Κοστίου) is a genitive patronymic derived from Kostis (Κωστής) or Kostas (Κώστας), familiar forms of Konstantinos (Κωνσταντίνος). Konstantinos derives from Latin Constantinus, based on constans, meaning “steadfast,” “constant,” or “firm.” Costiou therefore essentially means “of Kostis/Kostas,” originally identifying someone as the child or descendant of an ancestor bearing that personal name. The genitive form subsequently stabilized as a hereditary family surname.
Search for another Greek last name
About Greek Last Names and Surnames
Greek last names, also known as Greek surnames, reflect centuries of history, language, and tradition. This directory explores Greek surnames and meanings, covering both ancient origins and modern family names still in use today. Many Greek last name meanings are connected to occupations, geography, lineage, or personal traits, while others are influenced by classical history and mythology. Use this guide to research heritage, browse family names, and understand how Greek surnames developed over time.
