Kasiah has been given to about 502 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Its best year was 2025, when 75 babies were given the name, ranking 5482nd. The typical living American called Kasiah is about 6 years old today. It is relatively most common in Michigan, 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.