Rob is a distinctive boys' name in United States, ranking #8691 in 2021 with 9 recorded births. The name reached its all-time peak in 1996 with 19 births ranking #3646. Since 1996, the popularity has decreased by 52.6%. In 2021, approximately 1 in every 194,249 boys born was named Rob. FALLING Recent data shows the name is currently falling.