Delbert is a distinctive boys' name in United States, ranking #6901 in 2025 with 12 recorded births. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 70.0%. In 2025, approximately 1 in every 142,340 boys born was named Delbert. FALLING Recent data shows the name is currently falling.