Jack R. Fitzsimmons, Sr. age 89, of Caledonia, MI, passed away peacefully surrounded by his family on Thursday, August 29, 2024. Jack was a lifelong resident of Caledonia where he attended Caledonia Schools. He operated his own Excavating business for years, digging many basements and putting in driveways for the residents of Caledonia. He enjoyed trips up north to the cabin and hunting. Jack retired from GM Diesel after 22 years of service. He was very proud of the three grandsons who served in the military.  Jack will be lovingly remembered by his wife of 68 years, Margaret; children, Jack Fitzsimmons, Jr., Michael (Ginger) Fitzsimmons, Patrick (Jackie) Fitzsimmons, Kelly Martin; 14 grandchildren; 14 great grandchildren; two great-great grandchildren; brother, Kenneth (Cheryl) Fitzsimmons; sisters-in-law, Joyce (Richard) Hawkins, Nancy Fitzsimmons, Mary Cook; brother-in-law, Ray (Mary) Cornell; and many nieces and nephews. He was preceded in death by his parents, Harold and Eethel Fitzsimmons; brothers, William and James; sister, Marge (Peter) Baker; and brothers-in-law, Thomas Cornell and Charles Cook.The family will greet visitors on Thursday, September 5, from 5 - 8 pm at Stroo Funeral Home. A Memorial service will be held at 11:00 am on Friday, September 6, at Gaines Church, 1612 92nd Street SE, Caledonia, with an hour of visitation prior to the service. Rev. Brian Harrison will officiate. The family wishes to thank the Home Care workers for the wonderful care they provided to Jack.  A private interment will be held in Alaska Cemetery. Memorial contributions may be made to Corewell Health Hospice.