Alexius is a distinctive girls' name in United States, ranking #16359 in 2016 with 5 recorded births. The name reached its all-time peak in 1998 with 121 births ranking #1416. Since 1996, the popularity has decreased by 95.5%. In 2016, approximately 1 in every 354,298 girls born was named Alexius. RISING Recent data shows the name is currently rising.