Robby is a distinctive boys' name in United States, ranking #1990 in 1997 with 46 recorded births. This places Robby in the top 18% 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 61 births ranking #1610. Since 1996, the popularity has decreased by 24.6%. In 1997, approximately 1 in every 40,980 boys born was named Robby. FALLING Recent data shows the name is currently falling.