Jacolby is a distinctive boys' name in United States, ranking #3103 in 2010 with 37 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has decreased by 15.9%. In 2010, approximately 1 in every 51,849 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.