Rory Hugh Culkin (born July 21, 1989) is an American actor and is the younger brother of Macaulay Culkin and Kieran Culkin.
Culkin was born in New York City, the son of Patricia Brentrup and Christopher 'Kit' Culkin, a former stage actor with a long career on Broadway. Culkin is the youngest of seven children; he has four brothers: Shane Arliss Culkin (born 1976), Macaulay Carson (born 1980), Kieran Kyle (born 1982), and Christian Patrick Culkin (born 1987), and two sisters: Dakota Ulissa Culkin (born 1979, d. 2008) and Quinn Kay Culkin (born 1984). Culkin is the nephew of actress Bonnie Bedelia, who is his father's sister.
Culkin began acting by playing alongside his elder brothers, amongst them Macaulay and Kieran, often as the younger versions of their characters. He first appeared in a photograph as a baby in The Good Son (1993), then as Young Richie in Ri¢hie Ri¢h (1994) and in 2002 played 10-Year-Old Igby in Igby Goes Down (Igby was played by Kieran).