They are best known for their international television series, contributing to the popularization of Irish Music in North America, and for the songs "The Unicorn", "Drunken Sailor", "Wasn't That a Party", "The Orange and the Green", "Whiskey on a Sunday", "Lily the Pink", "Finnegan's Wake" and "The Black Velvet Band".
As children, Will and Sandra performed as "The Millar Kids" (George sometimes joined them on spoons) in Ireland before the family emigrated to Canada.
They began playing as The Irish Rovers and were soon joined by George's cousin Joe Millar who also emigrated to Canada.
After touring around Ontario playing in cafes, clubs and hotels, George, Jim and Joe left Toronto for Calgary where they joined brother Will Millar who was performing on Just 4 Fun, a children's TV show.
He is also lead on "Lord of the Dance", "No More Bread and Butter", "The Lass With The Bonny Brown Hair", "Home To Bantry Bay", and the ballad which we wrote after the death of his wife Betsy, "And The Sun It Still Rises".