Thornton is a distinctive boys' name in United States, ranking #10532 in 2002 with 6 recorded births. The name reached its all-time peak in 1996 with 16 births ranking #4171. Since 1996, the popularity has decreased by 62.5%. In 2002, approximately 1 in every 323,579 boys born was named Thornton. RISING Recent data shows the name is currently rising.