Rubby is a distinctive girls' name in United States, ranking #17050 in 2000 with 5 recorded births. The name reached its all-time peak in 2003 with 9 births ranking #11155. Since 1996, the popularity has decreased by 28.6%. In 2000, approximately 1 in every 363,194 girls born was named Rubby. RISING Recent data shows the name is currently rising.