Delia is a distinctive girls' name in England & Wales, ranking #2781 in 2006 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 2006, approximately 1 in every 42,748 girls born was named Delia. FALLING Recent data shows the name is currently falling.