Lyman is a distinctive boys' name in United States, ranking #10462 in 2007 with 7 recorded births. The name reached its all-time peak in 2010 with 17 births ranking #5390. Since 1996, the popularity has decreased by 56.3%. In 2007, approximately 1 in every 296,462 boys born was named Lyman. FALLING Recent data shows the name is currently falling.