Mary Helen Cassel

Mary Cassel, a loving mother, grandmother, great-grandmother, and great-great grandmother, passed away, surrounded by her family, on June 18 at San Simeon by the Sound in Greenport, N.Y. She was 103. Mary was born on April 8, 1915, in Uniondale, Long Island, to Mary and Benjamin Ostrosky, first generation Polish immigrants. In 1935, Mary married William “Bill” Cassel, and they had three children together, Jean, James “Jim” and Joan, while residing in Southold, N.Y.

Upon moving to Patchogue in 1952, Mary and Bill established, owned and operated Cassel GMC Trucks, once the largest and oldest dealership on Long Island. Mary was a dynamic, tenacious businesswoman who worked hand in hand with her husband for over thirty years to build Cassel Trucks into a thriving family business known throughout the community. 

In addition to her business acumen, Mary was deeply committed to her family and religious faith. She always supported community efforts and charities, and made sure to help anyone in need of assistance. Mary enjoyed traveling with her husband, eventually moving to Florida, where she loved to tend to her garden. She was predeceased by her husband and moved back to Quogue and East Patchogue in 1995 to be closer to her family. Mary cherished the time she spent with her grandchildren and great grandchildren. They remember Babcha fondly for her homemade clam chowder and long walks by the pond.

Mary is survived by her three children, Jean More of East Moriches, Jim Cassel (Carol) of Southold, and Joan Cassel-Kelly (Neal) of Remsenburg; seven grandchildren; 11 great-grandchildren; and one great great grandchild.

In celebration of her life, the family suggests contributions be sent to San Simeon by the Sound. In the memo, please state “For the Activity Department, in Honor of Mary Cassel”. A gift delivering joy to others. 

A private memorial mass will be held for family.

This is a paid notice.

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