Over the past 110 years, 46 901 boys and 17 girls have been named Kenny. The name Kenny ranks 459th in the United States among the most common names for boys. For the first time more than ten times newborns were named Kenny in 1919. The peak of popularity of the name Kenny came in the 1950s and 1960s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.