Allena is a distinctive girls' name in United States, ranking #5134 in 2015 with 26 recorded births. The name reached its all-time peak in 2007 with 57 births ranking #3050. Since 1996, the popularity has decreased by 23.5%. In 2015, approximately 1 in every 68,641 girls born was named Allena. FALLING Recent data shows the name is currently falling.