Kairo has been given to about 11,519 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Kairo ranks 226th among American boys in 2025, with 1,611 born that year. Its best year was 2025, when 1,611 babies were given the name, ranking 226th. The typical living American called Kairo is about 4 years old today. It is relatively most common in District of Columbia, where it accounts for 0.26% 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.