Alegra is a distinctive girls' name in United States, ranking #8653 in 2012 with 13 recorded births. The name reached its all-time peak in 2010 with 22 births ranking #5985. Since 1996, the popularity has increased by 30.0%. In 2012, approximately 1 in every 135,442 girls born was named Alegra. FALLING Recent data shows the name is currently falling.