Sumner is a distinctive boys' name in United States, ranking #4606 in 2005 with 19 recorded births. The name reached its all-time peak in 1996 with 24 births ranking #3095. Since 1996, the popularity has decreased by 20.8%. In 2005, approximately 1 in every 105,113 boys born was named Sumner. RISING Recent data shows the name is currently rising.