Delbert is a distinctive boys' name in United States, ranking #3040 in 2007 with 38 recorded births. This places Delbert in the top 21% 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. In 2007, approximately 1 in every 54,611 boys born was named Delbert. FALLING Recent data shows the name is currently falling.