Delia is a distinctive girls' name in United States, ranking #1454 in 2019 with 152 recorded births. The name reached its all-time peak in 2007 with 272 births ranking #986. Since 1996, the popularity has decreased by 18.7%. In 2019, approximately 1 in every 11,037 girls born was named Delia. FALLING Recent data shows the name is currently falling.