Spenser is a distinctive boys' name in United States, ranking #3441 in 2005 with 29 recorded births. The name reached its all-time peak in 1996 with 137 births ranking #948. Since 1996, the popularity has decreased by 78.8%. In 2005, approximately 1 in every 68,867 boys born was named Spenser. FALLING Recent data shows the name is currently falling.