Jacolby is a distinctive boys' name in United States, ranking #2037 in 1997 with 44 recorded births. This places Jacolby in the top 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 68 births ranking #1597. In 1997, approximately 1 in every 42,843 boys born was named Jacolby. STABLE Recent data shows the name is currently stable.