Filan has six siblings; three brothers and three sisters and he is the youngest among them.
His parents owned a diner named Carlton Café located on Castle Street, in the middle of Sligo and he used to work at there and spent every his school holiday working behind the counter from a very early age. with other Sligonians Derrick Lacey, Graham Keighron and Michael "Miggles" Garrett.
In his childhood he did not have much to think about his studies as he was focused in acting.
He has done great roles in TV shows and movies which have made him a fan favorite.
With Westlife, Filan has received twenty-eight platinum discs and sold 40 million records worldwide.
On 20 October 2011, Westlife announced that they had decided to split and go their separate ways at the end of their 2012 Farewell Tour.
Filan showed interest of being a solo music artist as his daily living.