liFairbank Cavenaugh and Mrs.ILass Elope to Crown Point Four Months After Decree.Fairbank Cavenaugh, office manager of the Illinois Commercial Men's Association, embarked on a second matrimonial venture Friday.lie married Mrs. Ellen Lass, whom Nellie F. Cavenaugh named in her suit, when she obtained a divorce from him four months’ ago. The wedding was in Crown Point.The first Mrs. Cavenaugh was surprised yesterday when she learned her former husband had married again, but she said: “It was, nodoubt, to the same Mrs. Lass” who had caused all her trouble.Mr. Cavenaugh is the son of Rickard A. Cavenaugh, 332 South Michigan avenue, whose wife, Ida Kellogg Cavenaugh, was killed in an automobile accident in San Antonio a month ago.Ellen Lass Cavenaugh is the daughter of Mrs. George Braun-Manthie.