Lamar is a distinctive boys' name in United States, ranking #680 in 1998 with 251 recorded births. The name reached its all-time peak in 2006 with 340 births ranking #671. Since 1996, the popularity has decreased by 15.2%. In 1998, approximately 1 in every 7,615 boys born was named Lamar. FALLING Recent data shows the name is currently falling.