Over the past 110 years, 28 309 boys have been named Ken. The name Ken ranks 605th in the United States among the most common names for boys. For the first time more than ten times newborns were named Ken in 1918. The peak of popularity of the name Ken 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.