Jacolby is a distinctive boys' name in United States, ranking #3713 in 2017 with 29 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has decreased by 34.1%. In 2017, approximately 1 in every 63,804 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.