Dorothy Jean Bertolino, age 90, of Chelsea, MI, formerly of Indiana, PA, passed away on November 10, 2025, in Chelsea, Michigan. She was born on February 9, 1935, in Kittanning, PA, the daughter of Gordon and Anna Marie (King) Hindinger.
Dorothy first married Gilbert Mason and spent her early years in Pennsylvania, where she raised her family and worked for Pennsylvania Bell. Later, she married William Schachter, and they moved to Michigan in 1979. They lived in Stockbridge for many years, where she worked as a supervisor for Alltel in Stockbridge. After Bill’s passing, Dorothy returned to Indiana, PA, where she met and married the love of her life, “Sam” Bertolino. Dorothy and Sam shared many wonderful years together before his passing in 2015.
Dorothy loved cooking and baking for family and friends, and she found joy in creative writing. She also enjoyed arts and crafts. In 2019, Dorothy moved back to Michigan to be closer to her family, where she spent her final years.
Dorothy is survived by four children, Jeanne (Bill) Snyder, Mark Mason, Marty Mason, and Matthew (Tammy) Mason; seven grandchildren, David (Chrissy) Mason, Derek (Susan) Mason, Christopher (Allison) Snyder, Ben Snyder, Audrey Mason, Maxwell Mason, and Michael Mason; six great-grandchildren, Brandon and Ashley Mason, Emma and Lucy Mason, and Leah and Owen Snyder. She is also survived by her brother, James (Jean) Hindinger; her niece, Christy (Jason) Wright; and two great-nieces.
She was preceded in death by a son, Michael Mason.
A private service will be held at a later date. Memorial contributions may be made to Faith in Action, Chelsea.
Arrangements by Staffan-Mitchell Funeral Home, Chelsea.
