Delia is a distinctive girls' name in England & Wales, ranking #1341 in 2014 with 24 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has increased by 140.0%. In 2014, approximately 1 in every 12,777 girls born was named Delia. FALLING Recent data shows the name is currently falling.