Spenser is a distinctive boys' name in United States, ranking #1417 in 1999 with 83 recorded births. The name reached its all-time peak in 1996 with 137 births ranking #948. Since 1996, the popularity has decreased by 39.4%. In 1999, approximately 1 in every 23,134 boys born was named Spenser. FALLING Recent data shows the name is currently falling.