Giannousis Surname Meaning
The Greek surname Giannousis (Γιαννούσης) derives from Giannousis or Giannousis, a diminutive or vernacular form of Giannis (Γιάννης), the common Greek form of Ioannis (Ιωάννης), meaning “God is gracious.” Greek surnames frequently developed from such affectionate or diminutive forms of personal names, which later stabilized into hereditary surnames. The masculine ending -is (-ης) preserves the nominative grammatical structure typical of Greek surnames. The surname Giannousis therefore means “descendant of Giannousis,” preserving paternal lineage rooted in a Christian personal name.
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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.

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