Sumner is a distinctive boys' name in United States, ranking #5361 in 2001 with 14 recorded births. The name reached its all-time peak in 1996 with 24 births ranking #3095. Since 1996, the popularity has decreased by 41.7%. In 2001, approximately 1 in every 138,774 boys born was named Sumner. RISING Recent data shows the name is currently rising.