Alexius is a distinctive girls' name in United States, ranking #3045 in 2003 with 49 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 56.3%. In 2003, approximately 1 in every 37,287 girls born was named Alexius. RISING Recent data shows the name is currently rising.