Delia is a distinctive girls' name in England & Wales, ranking #1433 in 2013 with 22 recorded births. The name reached its all-time peak in 2019 with 55 births ranking #703. Since 1996, the popularity has increased by 120.0%. In 2013, approximately 1 in every 14,021 girls born was named Delia. FALLING Recent data shows the name is currently falling.