Delia is a distinctive girls' name in England & Wales, ranking #2783 in 2001 with 5 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has decreased by 50.0%. In 2001, approximately 1 in every 53,597 girls born was named Delia. FALLING Recent data shows the name is currently falling.