Spencer is a moderately popular boys' name in United States, ranking #315 in 2021 with 1,049 recorded births. The name reached its all-time peak in 1998 with 4,619 births ranking #84. Since 1996, the popularity has decreased by 70.9%. In 2021, approximately 1 in every 1,667 boys born was named Spencer. FALLING Recent data shows the name is currently falling.