Harmon is a distinctive boys' name in United States, ranking #2809 in 2003 with 35 recorded births. The name reached its all-time peak in 2006 with 37 births ranking #2996. Since 1996, the popularity has increased by 218.2%. In 2003, approximately 1 in every 56,436 boys born was named Harmon. FALLING Recent data shows the name is currently falling.