Kieran Culkin's Real Name: Kieran Culkin

Quick answer: Kieran Culkin is known by his own name. He was born on September 30, 1982, in New York City, one of seven Culkin siblings and a younger brother of Home Alone star Macaulay Culkin. He played Roman Roy on HBO's Succession and won the Academy Award for best supporting actor for A Real Pain (2024) (Britannica; Library of Congress).

Real name and early life

Britannica lists him as Kieran Culkin, born September 30, 1982, in New York City. The Library of Congress name authority files him as "Culkin, Kieran." Neither source records a middle name, so this page uses the name he is credited under.

According to Britannica, he grew up with six siblings in Manhattan's Yorkville neighborhood. His father, Christopher "Kit" Culkin, was a former Broadway actor who pushed his children into acting. At 8, Kieran made his film debut in Home Alone (1990) alongside Macaulay. He appeared as a child in Father of the Bride and Only the Lonely (both 1991), often alongside one or two siblings. His brother Rory also became an actor.

In 1995 his parents separated, and a custody battle followed that lasted about two years. Kit Culkin eventually conceded custody to their mother, Patricia Brentrup. Britannica says Kieran did not see his father for 17 years after the separation.

Career highlights

Culkin kept working through his teens, with roles in Music of the Heart and The Cider House Rules (both 1999). His breakout came as Igby Slocumb, a rebellious dropout, in Igby Goes Down (2002), which earned him a Golden Globe nomination. He later took roles in the Off-Broadway play After Ashley (2005) and the films Scott Pilgrim vs. the World (2010) and Margaret (2011).

He made his Broadway debut in 2014 as the drug dealer Dennis Ziegler in Kenneth Lonergan's This Is Our Youth. In 2025 he starred in a Broadway revival of David Mamet's Glengarry Glen Ross.

His biggest television role was Roman Roy, the snarky youngest son of a media mogul played by Brian Cox, on Succession (2018–23). Britannica says the performance earned the best reviews of his career and several Golden Globe and Emmy nominations; he won the 2024 Golden Globe for best actor in a drama series. He also won an Emmy for the role in 2024.

In A Real Pain, written and directed by Jesse Eisenberg, he and Eisenberg play cousins who travel to Poland to honor their late grandmother. The role won him a Golden Globe and the Oscar.

Name notes for searchers

Culkin is his family surname, shared with his acting siblings Macaulay and Rory. Kieran is his given first name. A middle name appears in some online databases but not in the library or encyclopedia records used here.