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Marlene (Monosson) DeCoster

February 17, 1932 ~ May 5, 2021 (age 89)

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Onset-Marlene DeCoster, 89, Of Onset passed away on Wednesday, May 5, 2021 at the Bourne Manor Extended Care Facility with her daughter at her side.  She was the wife of 65 + years to the late Ray A. DeCoster.  Marlene was born in Boston the daughter of the late Isador and Anna (Reiser) Monosson.

Marlene had a strong work ethic and worked many different jobs.  She and Ray together on their boat worked as Scallopers. She was known throughout the local area as the Owner and Office Manager of Riverside Appliance Service, “Ray and Marlene of Riverside” based in Onset.  Marlene was also the Election Warden for the Onset Fire District and an Election Warden for the town of Wareham / Onset for over 50 years.  Onset was God’s country to Marlene, from her early childhood visits to her marriage to the love of her life Ray. She also enjoyed collecting antique postcards and a good romance novel.  She was very patriotic and supported many veteran causes.  She was a loving and caring person and truly missed her day trips with Ray.  They would travel all the back roads and never missed an opportunity  for a good cup of coffee.

Marlene is survived by her daughter Carolyn B. Abrams of Onset.  She was also survived by many loving nieces, nephews, relatives and friends. She was the mother of the late Eric M. DeCoster and the sister of the late Ruth Davidson, Rosalyn Monosson, Gerald Monosson and June Cohen.


To send flowers to the family or plant a tree in memory of Marlene (Monosson) DeCoster, please visit our floral store.


May 10, 2021

10:30 AM
Centre Cemetery Annex, Tihonet Road Wareham


Disabled American Veterans
Room 546 Boston, MA 02133 www.davma.org, Boston MA 02133
Web: http://www.davma.org/donate-now/

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