Daniel Joseph Heffernan Sr., age 94, of McDonough, Georgia passed away on Monday, May 6, 2024. He was born in Boston, Massachusetts on May 11, 1929 to the late Daniel and Emma Heffernan. He was also preceded in death by his wife of 65 years, Ann and sons Glenn and Barry (Beth) and his three brothers, Tim, John and Robert. Dan was a proud US Army Veteran and a member of St. James the Apostle Catholic Church. He graduated from Bentley College with an Accounting Degree. Dan is survived by his children, Daniel J. Heffernan, Kerry P. Heffernan, Joy Ann Heffernan (Paula), Lee Ann Heffernan (Peter Sternberg) and Faith Heffernan, grandchildren Rosalyn Sternberg (Kyle), Quinn Sternberg (Rachel) and Kenneth Heffernan. A Funeral Mass will be held at 10:30am on May 30, 2024 at St. James The Apostle Catholic Church in McDonough, Georgia. The family will receive friends at 12:00pm on May 30, 2024 at Haisten Funeral Home in McDonough. Burial will take place at Honey Creek Woodlands in Conyers, Georgia.