Delia is a distinctive girls' name in United States, ranking #1461 in 2021 with 147 recorded births. The name reached its all-time peak in 2007 with 272 births ranking #986. Since 1996, the popularity has decreased by 21.4%. In 2021, approximately 1 in every 11,155 girls born was named Delia. FALLING Recent data shows the name is currently falling.