The Post Chapel at Fort Myer was the setting last Saturday for the marriage of Mary Jane Arison, daughter of Mr. and Mrs. H. L. Arison Jr. of McLean, Va., and Stephen Bruce Heppe, son of Mrs. and Mrs. Robert Heppe of Fairfax. Donald D. Montagna of the Washington Ethical Society officiated and the reception followed in the Officers' Club.

Escorted by her father, the bride wore a gown of white French imported organza touched with Alencon lace which fell into a chapel train. Her veil, edged with scalloped matching lace, was attached to a juliet lace cap of hand-embroidered seed pearls, and she carried a bouquet of white miniature carnations and sweetheart roses. Her attendants: Sue Ann Howland, Mrs. Roger L. Willis and Alice Wheeler, were gowned in coral silk jersey and carried nosegays of white and coral carnations. Tara Roberts, as flower girl, wore ivory embroidered eyelet.

Howard P. Heppe was his brother's best man assisted by brother, Richard K. Heppe and the bride's brother, Capt. H. L. Arison Iii.

The new Mrs. Heppe is associated with the Northrop Corp. in Arlington. Mrs. Heppe, a graduate of Princeton University, is an electrical engineer with Stanford Telecommunications, Inc.

Following a wedding trip to Cancun, Mexico, the couple will reside in McLean.