Deja is a distinctive girls' name in United States, ranking #1686 in 2015 with 126 recorded births. The name reached its all-time peak in 1996 with 1,638 births ranking #182. Since 1996, the popularity has decreased by 92.3%. In 2015, approximately 1 in every 14,164 girls born was named Deja. FALLING Recent data shows the name is currently falling.