Roberta Duncan

October 6th, 1957 to August 25th, 2022

Roberta Marie Duncan, 64, of Port Huron, died Thursday, August 25, 2022., after a long battle with cancer.

She was born October 6, 1957 in Port Huron to the late Robert and Rosemarie Horan.

Roberta was a 1976 Port Huron High School graduate. Soon after, she began her career at Mercy Hospital when she was 18 where she was employed for over 45 years. She enjoyed going to the casino, watching movies and traveling with her family. She was a fiercely loyal friend, loved her work family and lived for spending time with her grandchildren.

She is survived by her daughter, Diane Duncan; grandson, Deshon Payne; granddaughter, Jayda Williams; six siblings, Deborah (Mark) Zimmer, Louann (Tom) Jobbitt, Michael Horan (Vickie Albert), Julie (Brad) Ramsey, Margaret (Paul) Maheu and David (Mary Jane) Horan; and many nieces and nephews. She was preceded in death by the love of her life, Mark Radvansky.

A memorial visitation will be held from noon to 4:00 p.m. Saturday, September 10, 2022 at the Fort Gratiot Park Pavilion with a time of sharing at 1:00 p.m.

Memorial contributions may be made to the Betty Kearns Cancer Fund.

Arrangements are by Karrer-Simpson Funeral Home. To send condolences, visit

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