John J. Demlein Jr. Obituary
It is with deep sorrow that we announce the death of John J. Demlein Jr. (Stonington, Connecticut), who passed away on October 20, 2025, at the age of 77, leaving to mourn family and friends. Family and friends can send flowers and/or light a candle as a loving gesture for their loved one. Leave a sympathy message to the family in the guestbook on this memorial page of John J. Demlein Jr. to show support.
He was predeceased by: his parents, John Demlein and Mary Ann Gander Demlein. He is survived by: his wife Leslie Clark-Demlein; his children, Christopher Demlein and Jessica Martin; his siblings, Tom, Susan, Joe, Peter, Marilyn, Jim and Chris; and his friend Bill Thorne. He is also survived by four grandchildren and numerous nieces and nephews.
Visitation was held on Wednesday, October 22nd 2025 from 5:00 PM to 7:00 PM at the Mystic Funeral Home (51 Williams Ave, Mystic, CT 06355). A funeral Mass was held on Thursday, October 23rd 2025 from 10:00 AM to 11:00 AM at the St. Patrick Church (32 E Main St, Mystic, CT 06355).
