Kirk married Regina Ann Ray on July 24, 2019. Kirk was employed at Sorin Group for 20 years where he and his wife Regina met.
Kirk is proceeded in death by his parents Bill and Joyce Miller, brother Kyle Miller, nephew Cameron Morrissey and stepson Bryan Ray.
Kirk is survived by his wife Regina Ray of Broomfield, stepson Jeremy Ray, sisters Kara Jahn of Arvada, Kris (Martin) Morrissey of Thornton, sister-in-law Lori Miller of Thornton and numerous nieces, nephews, cousins, and close friends.