Delia is a distinctive girls' name in England & Wales, ranking #4798 in 2005 with 3 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has decreased by 70.0%. In 2005, approximately 1 in every 96,085 girls born was named Delia. FALLING Recent data shows the name is currently falling.