Corby is a distinctive boys' name in United States, ranking #4243 in 2000 with 18 recorded births. This places Corby in the top 35% 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 25 births ranking #2939. Since 1996, the popularity has decreased by 28.0%. In 2000, approximately 1 in every 109,107 boys born was named Corby. FALLING Recent data shows the name is currently falling.