Alegra is a distinctive girls' name in United States, ranking #6176 in 1997 with 15 recorded births. The name reached its all-time peak in 2010 with 22 births ranking #5985. Since 1996, the popularity has increased by 50.0%. In 1997, approximately 1 in every 116,044 girls born was named Alegra. FALLING Recent data shows the name is currently falling.