Jacolby is a distinctive boys' name in United States, ranking #1849 in 2001 with 60 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has increased by 36.4%. In 2001, approximately 1 in every 32,381 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.