Alexius

By Nameberry

Updated Tue May 12 2026

Show me Alexius as a boy's name →

The name Alexius peaked for girls at #1406 in 1997. Alexius is occasionally used for boys in 2018.

# in the US

Alexius Rank in US Top 1000

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

Analyze your Baby Name DNA and find the names that match your unique style.

Find your perfect baby name together in our iPhone app, now available on the App Store.

Swipe through thousands of names with your partner
Names you match on are saved to your shared list
Get personalized recommendations that learn based on your and your partner's preferences
Partner with friends and family to find names you all love
Backed by Nameberry's 20 years of data around name preferences.

Find your perfect baby name together in our iPhone app, now available on the App Store.

Swipe through thousands of names with your partner
Names you match on are saved to your shared list
Get personalized recommendations that learn based on your and your partner's preferences
Partner with friends and family to find names you all love
Backed by Nameberry's 20 years of data around name preferences.