Harmon is a distinctive boys' name in United States, ranking #5060 in 2011 with 18 recorded births. The name reached its all-time peak in 2006 with 37 births ranking #2996. Since 1996, the popularity has increased by 63.6%. In 2011, approximately 1 in every 105,499 boys born was named Harmon. FALLING Recent data shows the name is currently falling.