Mrs.Mary Viola Nicolay;widow of the late Hiram J.Nicolay;died Tuesday night;March 1;1949;at 11:30 at the home of her daughter;Mrs.C.L.Cook;2625 Broadway;Dormont.  Mrs.Nicolay was 93 years of age.  Surviving are the daughter;Mrs.Cook and three sons;J.D.Nicolay;of Monessen;Fred H.Nicolay;of Youngstown;and Hugh J.Nicolay;of Warren.  A number of grandchildren and great-grandchildren also survive.  Friends are being received at the Beinhauer Funeral Home;West Liberty.