Newbery took time away from diving for almost a year while pregnant with her first child. She gave birth to her son Jet in 2002. In May, 2004, she married Robert Newbery to allow them to compete at the Athens Olympics as husband and wife. Their second son, Ryder, was born in 2006.
In 2009 Newbery told Australian magazine Woman's Day that she was admitting herself to a psychiatric hospital for severe depression. She had also made suicide attempts.