FAIRHAVEN – Mary Kate Judith Oien, 34, of Fairhaven, formerly of Marion died Thursday, January 30, 2025 at Massachusetts General Hospital in Boston unexpectedly.

Mary Kate was born in Fagares, Romania, and was the daughter of Marianne (Staniunas) & James B. Oien. Mary Kate graduated from Old Rochester Regional High School, Class of 2009 and was currently attending Bristol Community College. She had also attended the Salter School to work as a medical assistant.

She was an amateur photographer and enjoyed taking pictures of local sunsets. Mary Kate also played tennis and enjoyed fishing, walking on the beach and sports. She was a fan of the Boston Celtics and the Kansas City Chiefs.

Survivors include her parents, Marianne and James Oien of Fairhaven; her brothers, Luke Oien and his wife Christina of LaMoure, ND, and Mark Oien and his wife Binu of Marion; and her niece and nephews, Matthew, Katherine and Patrick. She is also survived by her paternal grandmother Margeane Oien of Binford, ND. She was predeceased by her sister, the late Katy Ann Oien, her paternal grandfather, the late Ernest Oien, and her maternal grandparents, the late Joseph and Barbara Staniunas. Mary Kate is also survived by her best friend and soul mate, her dog Tink.

Her funeral Mass will be held on Wednesday, February 5, 2025 at St. Anthony's Church, 22 Barstow St., Mattapoisett at 10 AM. Relatives and friends are invited. Interment in Evergreen Cemetery, Marion will be at a later date.

Arrangements by Chapman Funerals & Cremations – Wareham. For directions or to leave a message of condolence visit: www.chapmanfuneral.com