Jacobi is a distinctive boys' name in United States, ranking #1436 in 2005 with 103 recorded births. The name reached its all-time peak in 2008 with 189 births ranking #1017. Since 1996, the popularity has increased by 74.6%. In 2005, approximately 1 in every 19,390 boys born was named Jacobi. FALLING Recent data shows the name is currently falling.