Deja is a distinctive girls' name in United States, ranking #1289 in 2010 with 185 recorded births. The name reached its all-time peak in 1996 with 1,638 births ranking #182. Since 1996, the popularity has decreased by 88.7%. In 2010, approximately 1 in every 9,607 girls born was named Deja. FALLING Recent data shows the name is currently falling.