Gilday was born in Yellowknife, Northwest Territories, and spent his youth there.
He is a member of the Dene Nation through his mother, with his father being of Irish heritage.
[2] After high school, he attended the University of Alberta, where he spent much time as a busker in Edmonton's LRT system.
[3] Gilday performs both with an eponymous eight-piece rock band[4] and as a solo artist.
[1] In 2017, he was a recipient of a Western Canadian Music Award for his album Faster than Light, being named Indigenous Artist of the Year.