Alexius is a distinctive girls' name in United States, ranking #6865 in 2011 with 18 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 83.9%. In 2011, approximately 1 in every 97,711 girls born was named Alexius. RISING Recent data shows the name is currently rising.