BELLEVILLE - Martha Mary O'Brien, age 83, of Belleville, passed away on Wednesday, January 22, 2014, at Home Town Assisted Living, Belleville, WI. She was born on August 5, 1930 in Adams Township, Green County, WI, the daughter of John and Mary (Tobias) O'Brien. Martha had worked for Greenco Industries of Monroe, WI for many years.