Chelby is a distinctive girls' name in United States, ranking #11084 in 2015 with 9 recorded births. The name reached its all-time peak in 1998 with 35 births ranking #3436. Since 1996, the popularity has decreased by 60.9%. In 2015, approximately 1 in every 198,295 girls born was named Chelby. STABLE Recent data shows the name is currently stable.