Lily Stein is the daughter of Martin Stein.
Lily came into existence after her father convinced his 1980s self to pay more attention to her mother. As a result, she was born, altering her father's future. When she met him during the Dominator attack, it was the first time he had actually met her from his perspective. Thanks to Mick's blunder on a later occasion, Lily learned that she was an abberation; however, no one would erase her by changing Martin's actions. While on sabbatical with her boyfriend, Lily fell pregnant and returned home to await the birth of her child. In 2017, she gave birth to a son, whom she named Ronnie after Ronnie Raymond.
- Lily Stein is portrayed by Christina Brucato. A five year old Lily was portrayed by Winter Lily White in the episode "Beebo the God of War".
- 11 Appearances of Lily Stein (Arrowverse)
- 2 Images featuring Lily Stein (Arrowverse)
- Quotations by or about Lily Stein (Arrowverse)
- Character Gallery: Lily Stein (Arrowverse)