Roby is a distinctive boys' name in United States, ranking #6412 in 1999 with 10 recorded births. This places Roby in the bottom 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 21 births ranking #3376. Since 1996, the popularity has decreased by 52.4%. In 1999, approximately 1 in every 192,009 boys born was named Roby. FALLING Recent data shows the name is currently falling.