Alegra is a distinctive girls' name in United States, ranking #8072 in 2009 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 2009, approximately 1 in every 122,458 girls born was named Alegra. FALLING Recent data shows the name is currently falling.