Roby is a distinctive boys' name in United States, ranking #13633 in 2015 with 5 recorded births. The name reached its all-time peak in 1996 with 21 births ranking #3376. Since 1996, the popularity has decreased by 76.2%. In 2015, approximately 1 in every 383,252 boys born was named Roby. FALLING Recent data shows the name is currently falling.