Sumner is a distinctive boys' name in United States, ranking #4399 in 2003 with 19 recorded births. This places Sumner in the top 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 24 births ranking #3095. Since 1996, the popularity has decreased by 20.8%. In 2003, approximately 1 in every 103,962 boys born was named Sumner. RISING Recent data shows the name is currently rising.