Dylan O’Brien is an American actor and the son of Lisa, a former actress who ran an acting school, and Patrick O’Brien, a camera operator. His first major role was Stiles Stilinski on the MTV supernatural drama Teen Wolf, where he was a series regular during all six seasons. He was born to his parents in New York, New York, United States on  August 26, 1991. 

Many have been wanting to know more about him, especially his family to know whether he has a brother or not. In this article, we will dive into his personal life to know more about his sibling, the number of siblings he has, their gender, and who they are.

Does Dylan O’Brien have a brother?

Dylan is from a family of two siblings – a boy and a girl, hence, he has no brother. he is the youngest and the only son of his parents. Continue reading to know more about his elder sister.

Does Dylan O’Brien have a sister?

Julia O’Brien is the only sibling of the American actor. She is the first child of her parents – Patrick O’Brien and Lisa O’Brien.

She was born on April 17, 1990. She is currently 32 years old.

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