They have a son named Strummer Newcomb.
(September 2017 - present) (1 child)
On January 3, 2016, she announced her engagement to camera assistant Preston J. Cook, with whom she worked on Blackway. In June 2017, Stiles confirmed she and Cook were expecting their first child. They were married over Labor Day weekend in September 2017. The couple welcomed their son, Strummer Newcomb, on October 20, 2017.