Why does mama June have different last name than honey boo boo?

Mama June, whose full name is June Shannon, has a different last name than her daughter Alana Thompson, known as Honey Boo Boo, because they are not legally related by the same surname. Alana's father is Mike Thompson, also known as "Sugar Bear," which is why she carries his last name. Additionally, Mama June has had various relationships and changes in her personal life that have influenced her last name.