Alyx is a distinctive girls' name in United States, ranking #3988 in 2000 with 31 recorded births. The name reached its all-time peak in 1996 with 55 births ranking #2372. Since 1996, the popularity has decreased by 43.6%. In 2000, approximately 1 in every 58,580 girls born was named Alyx. FALLING Recent data shows the name is currently falling.