Allena is a distinctive girls' name in United States, ranking #2855 in 2000 with 50 recorded births. The name reached its all-time peak in 2007 with 57 births ranking #3050. Since 1996, the popularity has increased by 47.1%. In 2000, approximately 1 in every 36,319 girls born was named Allena. FALLING Recent data shows the name is currently falling.