Lamark is a distinctive boys' name in United States, ranking #13737 in 2008 with 5 recorded births. The name reached its all-time peak in 2006 with 9 births ranking #8455. Since 1996, the popularity has decreased by 16.7%. In 2008, approximately 1 in every 407,989 boys born was named Lamark. STABLE Recent data shows the name is currently stable.