Deja is a distinctive girls' name in United States, ranking #749 in 2005 with 358 recorded births. The name reached its all-time peak in 1996 with 1,638 births ranking #182. Since 1996, the popularity has decreased by 78.1%. In 2005, approximately 1 in every 5,161 girls born was named Deja. FALLING Recent data shows the name is currently falling.