Alyx is a distinctive girls' name in United States, ranking #4951 in 2003 with 25 recorded births. The name reached its all-time peak in 1996 with 55 births ranking #2372. Since 1996, the popularity has decreased by 54.5%. In 2003, approximately 1 in every 73,082 girls born was named Alyx. FALLING Recent data shows the name is currently falling.