Over the past 110 years, 84 boys and 16 645 girls have been named Kiley. The name Kiley ranks 6095th in the United States among the most common names for boys. For the first time more than ten times newborns were named Kiley in 1970. The peak of popularity of the name Kiley came in the 1970s and 1980s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.