Jacolby is a distinctive boys' name in United States, ranking #5334 in 2020 with 17 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has decreased by 61.4%. In 2020, approximately 1 in every 101,474 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.