Delmer is a distinctive boys' name in United States, ranking #5362 in 1997 with 11 recorded births. The name reached its all-time peak in 2012 with 13 births ranking #6404. Since 1996, the popularity has increased by 57.1%. In 1997, approximately 1 in every 171,372 boys born was named Delmer. FALLING Recent data shows the name is currently falling.