OBSERVES 61 at BIRTHDAY FRIDAY'MT. John McClain, N. Detroit St., who observed his eighty-first birthday, was honored by relatives at a surprise dinner party at his home Friday noon.Quests were Mr. McClain's sister, Mrs. Forrest Hough and daughter, Mrs. John Monger, and his niece, Mrs. Stanley Chaffin, all of Columbus; Mr. anlt;* Mrs. Fred MflCUin and Mr. and Mrs. Ginn McClain, of near Xeuia. si .un i _' m