Delmer is a distinctive boys' name in United States, ranking #8311 in 2004 with 8 recorded births. The name reached its all-time peak in 2012 with 13 births ranking #6404. Since 1996, the popularity has increased by 14.3%. In 2004, approximately 1 in every 248,100 boys born was named Delmer. FALLING Recent data shows the name is currently falling.