Delia is a distinctive girls' name in England & Wales, ranking #753 in 2017 with 53 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has increased by 430.0%. In 2017, approximately 1 in every 5,643 girls born was named Delia. FALLING Recent data shows the name is currently falling.