Alonza is a distinctive boys' name in United States, ranking #7308 in 1997 with 7 recorded births. The name reached its all-time peak in 1998 with 14 births ranking #4657. Since 1996, the popularity has decreased by 30.0%. In 1997, approximately 1 in every 269,299 boys born was named Alonza. FALLING Recent data shows the name is currently falling.