Jaecob is a distinctive boys' name in United States, ranking #10290 in 2009 with 7 recorded births. This places Jaecob in the bottom 29% 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 8 births ranking #7442. In 2009, approximately 1 in every 283,329 boys born was named Jaecob. STABLE Recent data shows the name is currently stable.