Chelby is a distinctive girls' name in United States, ranking #3436 in 1998 with 35 recorded births. The name reached its all-time peak in 1998 with 35 births ranking #3436. Since 1996, the popularity has increased by 52.2%. In 1998, approximately 1 in every 50,483 girls born was named Chelby. STABLE Recent data shows the name is currently stable.