Alexius is a distinctive girls' name in United States, ranking #2229 in 2002 with 74 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 33.9%. In 2002, approximately 1 in every 24,281 girls born was named Alexius. RISING Recent data shows the name is currently rising.