Obituary for Mark Alan "Si" Wheatley Mark Alan "Si" Wheatley, 56, of Vincennes, passed away Saturday May 2, 2020 at Deaconess Midtown Hospital in Evansville, IN. Mark was born July 16, 1963 in Vincennes the son of Clarence "Bud" and Alice Pea Wheatley. Mark attended North Knox High School and Sacred Heart Catholic Church. He was a gifted mechanic, able to work anything with a motor. Mark is survived by his family, sisters, Cindy Arthur, Cathy Speth and Carol Lane and her husband David all of Vincennes, his brothers, John Wheatley and his wife Melissa of Oaktown, IN and Jim Wheatley and his wife Lora of Ragsdale, IN. He is also survived by several nieces and nephews. Mark was preceded in death by his parents, Bud and Alice Wheatley, his brothers, Donald Wheatley and Raymond "Ray" Wheatley. Services will be announced at a later date. Duesterberg-Fredrick Funeral Home is honored to assist Mark's family during their time of loss. Memorial contributions may be sent to the funeral home to assist with his expenses of his last illness.