Over the past 110 years, 42 717 boys and 109 girls have been named Rudy. The name Rudy ranks 488th in the United States among the most common names for boys. For the first time more than ten times newborns were named Rudy in 1912. The peak of popularity of the name Rudy came in the 1930s and 1940s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.