Delbert is a distinctive boys' name in United States, ranking #2946 in 2001 with 31 recorded births. This places Delbert in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 42 births ranking #2104. Since 1996, the popularity has decreased by 22.5%. In 2001, approximately 1 in every 62,672 boys born was named Delbert. FALLING Recent data shows the name is currently falling.