Delphi is a distinctive girls' name in England & Wales, ranking #1454 in 2025 with 21 recorded births. The name reached its all-time peak in 2024 with 29 births ranking #1160. Since 1996, the popularity has increased by 425.0%. In 2025, approximately 1 in every 12,061 girls born was named Delphi. STABLE Recent data shows the name is currently stable.