Bo has been given to about 15,849 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Bo ranks 449th among American boys in 2025, with 728 born that year. Its best year was 2025, when 728 babies were given the name, ranking 449th. The typical living American called Bo is about 15 years old today. It is relatively most common in Montana, where it accounts for 0.11% 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.