Alexius is a distinctive girls' name in United States, ranking #4054 in 2007 with 38 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 66.1%. In 2007, approximately 1 in every 50,591 girls born was named Alexius. RISING Recent data shows the name is currently rising.