Daryn Elizabeth Sidor

Daryn Elizabeth Sidor, 62, of East Quogue, passed away peacefully on December 13, 2025, after a courageous battle with cancer. She fought valiantly until the very end, showing strength, grace, and determination throughout her journey.
Daryn was a devoted mother, grandmother, daughter, sister, and friend. Her love for her family was unwavering and evident in everything she did. She found her greatest joy in her children and grandchildren, cherishing time spent together and creating lasting memories filled with warmth, laughter, and her unmistakable joy for life.
She is survived by her beloved children, Alixandra McMahon, Courtney Sidor, and Lucas Sidor; her son-in-law, Steven McMahon; and her cherished grandchildren, Lawson and Waverly McMahon. She is also survived by her mother, Sheila Guidera; her sisters, Kerin Guidera King, Regan Kiembock, and Blair Guidera, along with their families; and many loving nieces and nephews.
Daryn was predeceased by her son, Kevin Michael; her husband, Mark Sidor; and her father, Kevin Guidera.
A true warrior, Daryn defied the odds after her diagnosis in 2019. She lived for more than six and a half years with cancer, showing more determination, strength and grace beyond what could ever be expected. A compassionate nurse and natural storyteller, she spent her life caring for others – bringing comfort as a long-term care nurse and joy as a labor and delivery nurse. She was a devoted mother and grandmother, a loving wife, and a treasured friend to many. A true pillar of strength for her family, through profound loss she continued to give, to show up, and to fill every gathering with warmth and conversation.
Daryn will be remembered for her resilience, strength, her generous heart, and the deep love she had for her family. Her legacy lives on through the countless lives she touched and the love she gave so freely. To send flowers to the family or plant a tree in memory of Daryn, please visit our floral store.