Sponsored Links Harry Irwin dating Whom? Harry Irwin is currently single Harry Irwin Complete Dating History Add new Post Sponsored Links Harry Irwin wiki Login to Edit Bio: Younger brother of 5 Seconds of Summer drummer Ashton Irwin. He was 7 years old when Ashton joined the popular pop rock band.Date of Birth: 09 Feb, 2004Zodiac Sign: AquariusPlace of Birth: AustraliaAge: 20 years oldProfession: Family Member Show more bio data > Harry Irwin Latest Videos