Marilyn M. Mercein

Marilyn M. (Lynn) Mercein, 83, of Lancaster, PA passed away peacefully on Friday, January 30, 2026. She was surrounded by family. Lynn was born in Evanston, IL and raised in Winnetka, IL. She was predeceased by her parents Richard Dean Mason and Alice (Eckman) Mason. Lynn graduated from New Trier H.S. and earned her bachelor’s degree in mathematics from Smith College. She was married for 22 years to Chuck Mercein, her high school sweetheart. Together they raised their four children in Scarsdale, New York. She was a beloved math teacher at the Ursuline School in New Rochelle, NY. Lynn was a great athlete, playing tennis and softball in addition to a lifetime love of golf. She was a perennial semi-finalist in the Women’s golf championship at the Winged Foot Golf Club in Mamaroneck. After 27 years in Scarsdale, Lynn moved to Lancaster, Pennsylvania to be closer to her daughter K. Kay and her family. She showed remarkable resilience, restarting her life and enjoying a successful second career in retail, rising to a manager of the Gap Outlet store and at Ralph Lauren. Lynn loved her volunteer work at the Overlook Golf Course as a Course Marshall and as a tutor for Milagro House in Lancaster. Lynn’s greatest joy was cheering for her grandchildren. Her passion was evident in the stands of their many sporting events and other activities. She loved brain teaser games such as Wordle, Sudoku, Words with Friends and Scrabble. She was a big fan of Barry Manilow, Bud Light, peanut butter and bacon. Lynn is survived by her children, Tommy Mercein (Lynne) of Darien, CT, K. Kay Mercein Mann (Arthur) of Lancaster, Suzanne M. Walters (Brian) of Pittsburgh and Jenny Mercein (Ryder Thornton) of New Orleans. She is also survived by her sister, Patricia Schultz (Charles) of Mahtomedi, MN and her grandchildren, Kasey Mann, Emily Mann (Colin Derdeyn), Carolyn Mann, Tommy Mann, Ben Mann, Charlie Mercein, Andrew Mercein, Elise Mercein, Michael Mercein, Sarah Walters, Tim Walters, J.P. Walters, Katherine Walters and Eliza Thornton, and her great grandchild, C.J. Derdeyn. The family will have a celebration of Lynn’s life in the spring. Memorial contributions may be made in her name to Milagro House at www.milagrohouse.org/donate or mailed to 941 Wheatland Avenue, Suite 205, Lancaster, PA 17603.