Passed away at C.E.E. Hospital of Bluewater Health on Sunday, November 24, 2013. THELMA ROSS (JOHNSTON)(nee WATT), of Petrolia, was in her 90th year. Thelma was predeceased by her husbands Cecil Johnston (1981) and Elmer Ross (2000). She will be missed by her children Sharon and Barry Bower of Toronto and Larry and Liz Johnston of Fort Saskatchewan, Alberta, her grandchildren Jennifer Johnston, Robert Johnston, Jeffrey and Jade Johnston, Christopher and Sarah Bower, Barbara and Erich Hartmann, Catie Bower, and Mark Bower, and great grandchildren Keely and Kynzly Johnston, Kingsley and Simone Bower, and Nate Hartmann. Thelma was predeceased by her parents Vern and Elsie Watt and her sister Lois Watt. Thelma was affectionately known as “Mother Johnston” to the children whom she cared for in her home daycare on Florence Ave. in Petrolia. Visitors will be received on Tuesday from 7 to 9 p.m. and Wednesday from 1:00 p.m. to 1:45 p.m. at the NEEDHAM-JAY FUNERAL HOME, Petrolia where the funeral service will he held on Wednesday, November 27, 2013 at 2:00 p.m. Interment will follow in Hillsdale Cemetery. As expressions of sympathy, memorial donations may be made to the C.E.E. Hospital Foundation. Memories and condolences may be shared on-line at www.needhamjay.com.