Jacolby is a distinctive boys' name in United States, ranking #5968 in 2025 with 15 recorded births. The name reached its all-time peak in 1999 with 68 births ranking #1597. Since 1996, the popularity has decreased by 65.9%. In 2025, approximately 1 in every 113,872 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.