Possibly a variation of Ashanti, meaning 'warlike' or 'people of Ghana'
Ashonti is a modern American spelling variant of Ashanti. It refers to the Ashanti people of Ghana, an ethnic group known for their powerful empire and rich cultural history. The name gained popularity in the United States during the late 20th century as a celebration of African heritage.
US births per 5-year period, 1990–present (SSA data).