Over the past 110 years, 16 645 girls and 84 boys have been named Kiley. The name Kiley ranks 992th in the United States among the most common names for girls. For the first time more than ten times newborns were named Kiley in 1974. The peak of popularity of the name Kiley came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.