Aran Murphy had his first viral moment. After hitting the red carpet for his new show, Youth, social media users pointed out how similar the 19-year-old up-and-coming actor's mannerisms are to those of Oscar winner Cillian Murphy, Aran's father. "I knew who his dad was before I even heard him," adds one commenter underneath Aran's video interview, which took place on September 11.
Aran has a big year ahead, with a number of projects set to hit the small and big screen. Keep scrolling to get to know Cillian's sons, Aran and Malachy, whom he shares with his wife, artist Yvonne McGuinness. Though Cillian famously avoids the spotlight, he's shared several details about his family life and his son's career over the years.
Aran is Cillian's youngest son, born in July 2007. After spending the first few years of his life in London, Aran moved with his family to Dublin in 2015, per The Telegraph.
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Aran caught the acting bug early. He was 11 years old when he made his acting debut in the one-boy play Hamnet — not to be confused with the award-winning 2025 film. Cillian praised Aran's approach to acting during an interview with The Guardian.

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