Alexius is a distinctive girls' name in United States, ranking #2901 in 2005 with 56 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 50.0%. In 2005, approximately 1 in every 32,995 girls born was named Alexius. RISING Recent data shows the name is currently rising.