Delia is a distinctive girls' name in United States, ranking #1025 in 2010 with 244 recorded births. The name reached its all-time peak in 2007 with 272 births ranking #986. Since 1996, the popularity has increased by 30.5%. In 2010, approximately 1 in every 7,284 girls born was named Delia. FALLING Recent data shows the name is currently falling.