Delia is a distinctive girls' name in England & Wales, ranking #2895 in 2007 with 7 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has decreased by 30.0%. In 2007, approximately 1 in every 43,730 girls born was named Delia. FALLING Recent data shows the name is currently falling.