Sumner is a distinctive boys' name in United States, ranking #5869 in 2007 with 15 recorded births. The name reached its all-time peak in 1996 with 24 births ranking #3095. Since 1996, the popularity has decreased by 37.5%. In 2007, approximately 1 in every 138,349 boys born was named Sumner. RISING Recent data shows the name is currently rising.