Alexius is a distinctive girls' name in United States, ranking #5718 in 2009 with 24 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 78.6%. In 2009, approximately 1 in every 76,536 girls born was named Alexius. RISING Recent data shows the name is currently rising.