It seems like Domhnall is more focused on his career rather than to find love of his life. Till now, there is no any information related to his love affairs and married life. He is still single.
Domhnall received his formal education from Malahide Community School. With the completion of his secondary education, he joined Dublin Institute of Technology and majored in Media Arts. He has been active in acting since 2004. That year he appeared in the short movie, Six Shooter. In 2005, he was found starring the role of Bernard in the movie, Boy Eats Girl. His breakthrough role came in 2010 after she starred the role of Bill Weasley in the movie, Harry Potter and the Deathly Hallows – Part 1. He has also established himself as a director and a writer. His net worth is said to be around $5 million.