In 2015, Ashton was spotted with Bryana Holly having romantic love affairs with her as his girlfriend. Bryana Holly is a fashion model and she is signed to Wilhelmina Models Los Angeles/Miami. They are not together these days. He has two siblings named Lauren Irwin and Harry Irwin. He is now aged 21 years old.
As a child, Ashton was enrolled at Richmond High School. He began his musical interest while he was there. He joined an Australian music group 5 Seconds of Summer in 2011. Initiatory they were active in YouTube posting their music videos. Their debut single Out of My Limit was released in 2012. They also toured with One Direction on their Where We Are Tour in 2012. His net worth is estimated to be around 3 million dollars.