Shortly after the graduation of their daughter, Muriel, Dr. and Mrs. Alquin Jay Davis announced that she had been married to John MacArthur Sloan on November 26, 1930.  “The marriage was kept secret, Dr. Davis said, so the bride might be able to finish her studies at Vassar.”

Announcement of the couple’s engagement had been made in December, 1930, a month after their marriage.     The New York Times