He is known for appearances in a range of films and television series such as RTÉ's comedy-drama Bachelors Walk and CBS' legal drama The Good Wife, and in the films Zonad (2009), Delivery Man (2013) and The Conjuring 2 (2016) Delaney was born on 2 September 1970 in his family home in Raheny, Dublin.
He gained increased prominence due to a high-profile part in the Tesco Mobile Ireland TV advertising campaign.
Delaney appeared in the Irish version of genealogy TV series Who Do You Think You Are?, which was broadcast on RTÉ One on 19 October 2009.
He has also made appearances in the fourth and fifth series of Sky 1 sitcom Trollied, playing the role of Brendan O'Connor.
[4] Since 2015, he has co-hosted Saturday AM and Sunday AM, now known as Weekend AM on TV3 (Virgin Media One), alongside Anna Daly.