Maria A. Oppenheimer

Maria A. Oppenheimer obituary, Central Islip, NY

Maria A. Oppenheimer

Maria Oppenheimer Obituary

Obituary published on Legacy.com by Affordable Cremation Services of New York - Central Islip on Aug. 22, 2025.

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Maria Oppenheimer of Manhasset, NY, passed away peacefully at home on August 17, 2025. She was born in Germany in 1932 and immigrated to the United States in 1960. She met and married Ernest Oppenheimer in New York City in 1961, later moving to Manhasset in 1963, where she and Ernest raised two children, Nicky and Peter. Although the world she grew up in was very different than Manhasset, she soon formed a circle of friends that grew throughout her life. She was pragmatic, impulsive, adventuresome, and candid to a fault. She was a passionate birdwatcher, had a green thumb, and loved to be outdoors. She worked as an X-ray technician for many years, earned her bachelor's degree at SUNY Empire State in her 50s, and retired at 73. She was widowed at 61 and eventually met Sidney, who became her partner for more than 20 years before he passed in 2023. She is survived by her children, six grandchildren, two great grandchildren, a brother, and two nieces.
In lieu of flowers, donations may be made to Northwell Hospice Foundation (https://support.northwell.edu/hospicecarenetwork) or the Nature Conservancy (https://shorturl.at/5vpoF).
To plant a tree in memory of Maria A. Oppenheimer, please visit our Tribute Store.

To plant trees in memory, please visit the Sympathy Store.

Sign Maria Oppenheimer's Guest Book

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October 8, 2025

PAM RADEMACHER posted to the memorial.

October 3, 2025

Susan Gotteseld posted to the memorial.

October 3, 2025

Marilyn Stefans posted to the memorial.

5 Entries

Single Memorial Tree

PAM RADEMACHER

Sent Sympathy Gifts including Trees

Susan Gotteseld

October 3, 2025

Maria became such a dear friend to me over our many months together during which time I was her Physical Therapist. I adored her honesty, intelligence, easy laughter and our shared love of birds and nature. I miss her.

Marilyn Stefans

October 3, 2025

Maria was one of my favorite clients. I will miss her and her homemade bread that she would bring to the office and be on the menu when I was invited to her home for lunch. Marilyn Stefans

Peggy Kelly

October 2, 2025

Dear Maria, I miss you, but I know you're in a better place, I so enjoyed our times together our talks, having a coffee and a goodie in the kitchen, you brought a lot into my life, and I will always remember you, Maria, rest in peace

Mary MacKenzie-Priapi

August 27, 2025

I will miss Maria. I have many good memories of our shared experiences over the last 44 years. She was a unique and interesting person. She would often leave a fresh baked loaf of bread on our doorstep. We were the recipient of her nice pottery bowls. She loved gardening and bird watching. I will always remember Maria and Ernest. I am very grateful for her friendship. Rest in peace Maria.

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Sign Maria Oppenheimer's Guest Book

Not sure what to say?

October 8, 2025

PAM RADEMACHER posted to the memorial.

October 3, 2025

Susan Gotteseld posted to the memorial.

October 3, 2025

Marilyn Stefans posted to the memorial.