Kacie has been given to about 12,839 people in the United States since 1880. It was most common in 1998, which makes it a Gen X and millennial name.
Its best year was 1998, when 518 babies were given the name, ranking 498th. The typical living American called Kacie is about 31 years old today. It is relatively most common in Alabama, where it accounts for 0.01% 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.