Trisha J. Allison, 34, of Indianola, Indiana Township, passed away unexpectedly,Tuesday, March 31, 2020. Trisha, the daughter of John and Barbara (Double) Olesnevich Sr. of Valencia, was born July 5, 1985 in Pittsburgh. She graduated from St. Margaret School of nursing and was a Registered Nurse at UPMC Presbyterian Hospital. She is survived by her parents and husband of 10 years, Kevin Allison; her 4 beloved children, Alivia, Jaxson, Ava, and Emma Allison, all at home; siblings, John Olesnevich Jr., Tony (Ashley) Olesnevich, and Lisa (Kevin) Alchier, of Valencia; in-laws, David and Susan Allison, of Indiana Township; many nieces and nephews. A private viewing and service were held at Adam Siemianowski Funeral Home, 179 Starr Road, Russellton, West Deer Township. Trisha was laid to rest at East Union Cemetery, West Deer Township.