Delia is a distinctive girls' name in England & Wales, ranking #2727 in 2003 with 6 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has decreased by 40.0%. In 2003, approximately 1 in every 46,445 girls born was named Delia. FALLING Recent data shows the name is currently falling.