Frederick J. Marcincuk, Fred, age 80 of Southampton, NY, passed away peacefully on March 17, 2021.  Beloved husband of Joan Marcincuk. Loving father of Kim (Alan) Heyman and Greg (Katie) Marcincuk. Treasured grandfather of four (Henry, Abigail, Matthew, and Lila).  Fred was a pharmacist at Southampton Hospital for 25 years, a sixty-year member of Southampton Golf Club, loved going on family vacations, and spending time in his garden.  Calling hours will be at O’Connell-Rothwell Funeral Home from 4-6 pm on Thursday, March 18, 2021.   Interment will be on Friday, March 19, 2021 at Mont Pleasant Cemetery in Center Moriches.  The family requests those who wish to express sympathy to consider making a donation to their favorite charity in Fred Marcincuk's name.