Kaley has been given to about 13,707 people in the United States since 1880. It was most common in 2003, which makes it a millennial-parent name.
Its best year was 2003, when 578 babies were given the name, ranking 495th. The typical living American called Kaley is about 26 years old today. It is relatively most common in Texas, where it accounts for 0.00% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.