Molly is the 2nd eldest child to parents Matt and Amy Roloff. She is most known for her appearance as a television personality in the TLC series "Little People, Big World" (2006). The series focuses on the everyday life of a family of dwarf parents raising children. Molly married her husband, Joel Silvius, in 2017, and since then, she has made it her priority to keep her private life away from the media.