Lyman is a distinctive boys' name in United States, ranking #7604 in 2003 with 9 recorded births. The name reached its all-time peak in 2010 with 17 births ranking #5390. Since 1996, the popularity has decreased by 43.8%. In 2003, approximately 1 in every 219,474 boys born was named Lyman. FALLING Recent data shows the name is currently falling.