Alexius is a distinctive girls' name in United States, ranking #8225 in 2012 with 14 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 87.5%. In 2012, approximately 1 in every 125,767 girls born was named Alexius. RISING Recent data shows the name is currently rising.