Alexius is a distinctive girls' name in United States, ranking #4553 in 2008 with 33 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 70.5%. In 2008, approximately 1 in every 57,294 girls born was named Alexius. RISING Recent data shows the name is currently rising.