Mark Francis Heinlein Obituary
The passing of Mark Francis Heinlein of Sandwich, Massachusetts occurred on September 14, 2026. Mark, born on January 21, 1959, shared life with family, friends, and community. You can send your sympathy in the guestbook provided and share it with the family.
Mark touched many lives and will be remembered fondly for the moments shared and the memories created. Family, friends, and colleagues extend their love and support during this time. While Mark’s presence will be missed, the influence he had on others will remain. Those who knew him will carry forward memories that reflect his character and spirit.
He was predeceased by: his parents, Chester Heinlein and Dorothy Heinlein (Walker); and his wife Susan Heinlein. He is survived by: his daughters, Molly and Emma (Mei); and his brothers, David and Alan Heinlein of Dover, MA..
Visitation will be held on Saturday, October 3rd 2026 from 11:00 AM to 2:00 PM at the Nickerson-Bourne Funeral Home (154 MA-6A, Sandwich, MA 02563). A celebration of life will be held on Saturday, October 3rd 2026 from 2:00 PM to 5:00 PM at the Family Home.
In lieu of flowers, please consider making a donation in Mark's name to Compassionate Care ALS, a non-profit based out of Falmouth, MA that provided Mark with support and numerous services after his diagnosis.
