Delia is a distinctive girls' name in United States, ranking #959 in 2000 with 221 recorded births. This places Delia in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2007 with 272 births ranking #986. Since 1996, the popularity has increased by 18.2%. In 2000, approximately 1 in every 8,217 girls born was named Delia. FALLING Recent data shows the name is currently falling.