Delia is a distinctive girls' name in England & Wales, ranking #897 in 2016 with 41 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has increased by 310.0%. In 2016, approximately 1 in every 7,491 girls born was named Delia. FALLING Recent data shows the name is currently falling.