Jacolby is a distinctive boys' name in United States, ranking #4413 in 2018 with 23 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has decreased by 47.7%. In 2018, approximately 1 in every 78,934 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.