Mary M. Lawson, 99, of Troy, Illinois and formerly of Dexter, Missouri passed away at 2:15 p.m. on Wednesday, July 31, 2019 at Morningside Assisted Living in Troy. In celebration of her life, private services will be held at Irwin Chapel in Glen Carbon. Private burial will be at Sunset Hill Memorial Estates. Memorials may be made to Heartland Hospice and may be accepted at the funeral home. www.irwinchapel.com