What does Bo mean?
Bo has 1 variant: Beau.
For more on this name, see also the related girl name Bonita.
Bo has 1 masculine form: Beau.
Bo is an uncommonly occurring first name for women but a very prominent last name for both adults and children (#25775 out of 150436, Top 17%). (2000 U.S. Census)
The only popular varying form of Bo (#unlisted) is Bonita. Adoption of these girl names reached its most widespread during 1940-1949 (usage of 0.782%) and is now much less, with Bonita becoming less trendy. Below is a charted comparison of the usage of Bo and affiliated names. (Top 1000 Birth Names Records, 2014)