Jack White is mourning the loss of his beloved mom, Teresa Gillis, who has died aged 95 Jack White has shared the devastating news that his dear mother, Teresa Gillis, has passed away. 15 March 2026 Jack White's mother, Teresa Gillis, has passed away at the age of 95. Jack White has announced the passing of his mother The former White Stripes frontman revealed his beloved mother's death on Instagram on Saturday (14.03.26). He captioned a picture of his mom on the stage: "Teresa Gillis 1930-2026. Rest in peace with the Lord." Teresa, who was Polish, was a regular guest at Jack's shows.