Cover photo for John L. Siedlecki's Obituary
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John L. Siedlecki

John L. Siedlecki

d. May 7, 2025

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John Lawrence Siedlecki, 79 

Beloved Husband, Father, and Grandfather.

John Lawrence Siedlecki of Hauppauge, NY, passed away peacefully on May 7, 2025, at the age of 79.

John was a dedicated Senior System Operator at the local lighting company, where he built a respected career marked by reliability, integrity, and a strong work ethic. He approached every task with care and commitment, earning the admiration of his colleagues and peers.

Outside of work, John gave back to his community as a volunteer soccer and baseball coach, inspiring countless young athletes over the years. He was a patient mentor and a supportive presence on and off the field, always ready with words of encouragement and a steady hand.

John was a devoted husband to Carol, his partner in life and love. He was a proud and loving father to Sharon and Michael, and he treasured his role as grandfather to Sam, Abigail, Ruby, and Luke. He also leaves behind his daughters-in-law, Alissa and Bridget, with whom he shared deep family bonds. He is predeceased by his beloved son, John, whose memory remained close to his heart. John's legacy is one of kindness, humility, and quiet strength.

Service Schedule

Past Services

Visitation

Monday, May 12, 2025

2:00 - 4:00 pm (Eastern time)

Moloney’s Hauppauge Funeral Home

840 Wheeler Rd, Hauppauge, NY 11788

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Visitation

Monday, May 12, 2025

7:00 - 9:00 pm (Eastern time)

Moloney’s Hauppauge Funeral Home

840 Wheeler Rd, Hauppauge, NY 11788

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Mass

Tuesday, May 13, 2025

9:45 - 10:45 am (Eastern time)

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Interment

Tuesday, May 13, 2025

Calverton National Cemetery

Princeton Blvd, Wading River, NY 11792

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