Over the past 110 years, 1 269 453 boys and 1 629 girls have been named Kenneth. The name Kenneth ranks 21th in the United States among the most common names for boys. For the first time more than ten times newborns were named Kenneth in 1910. The peak of popularity of the name Kenneth came in the 1940s and 1950s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.