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Alexius

OriginGreek
Meaning"defending men"
GenderBoy & girl
US rank · boysUnranked

Below 5 births

US rank · girlsUnranked

Below 5 births

About Alexius

Alexius is a masculine name with ancient Greek and Latin origins, derived from the Greek word 'alexein' meaning 'to defend' or 'to help.' It represents the original Latin form that later evolved into Alexis and Alex. Historically, Alexius was borne by several Byzantine emperors and Christian saints, giving it royal and religious significance. The name carries a scholarly, classical dignity with its Latin ending. While uncommon in modern English-speaking countries, Alexius retains popularity in Eastern European and Orthodox Christian communities. The name offers the familiar nicknames Alex or Lex while providing a distinguished, full form with historical gravitas. Its rarity makes it a distinctive choice for parents drawn to names with classical roots and historical depth.

Alexius for girls

Alexius is a feminine variation of the male name Alexis, which has Greek origins meaning "defender" or "helper." This name carries a classical, elegant quality with its Latin-style ending. While traditionally more common for males in Eastern European and Greek Orthodox traditions, Alexius has seen limited but distinct usage for girls, particularly among families appreciating its strong historical resonance and distinguished character. The name offers versatile nickname options including Alex, Lexi, or Lia. Though not ranking among popular feminine names in most Western countries, Alexius appeals to parents seeking a name with both feminine grace and an undertone of strength and protection.

Pronounced uh-LEK-see-us.

As of October 2026, Alexius ranked #10818 in US births in 2018 SSA, peaked at #3219 in 1978.

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Alexius on lists

Famous Alexiuss

  • Saint Alexius of RomeBoy

    4th century Eastern saint whose veneration was later transplanted to Rome

  • Saint AlexiusBoy

    Metropolitan of Kiev

  • Alexius MeinongBoy

    Austrian philosopher

  • Alexius PedemontanusBoy

    Italian physician, alchemist, and author

Alexius in pop culture

  • Gereon and Felix AlexiusBoy

    both Tevinter mages in the video game 'Dragon Age: Inquisition"

  • GreekGirl

    diminutive of Alexandra meaning 'Defender'. Other variants include Alexa, Alexis, Alexia, Alex.

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