at I ho Church Of Our Lady of Mount Carmel, Doylestown, on [Wednesday, at 11 a.m. Burial will he in Mount Auburn Cemetery,! Cambridge. Mass.| Daily Intelligencer morgue files show that Mrs. Mercer entertained about one hundred guests at a Christmas party in December. 1941, when the Trapp Family Singers were the performers. The jTrapp family is the story in the1 Mary Martin musical. “The Sound of Music. now playing on Broadway. Fight members of the Trappfamily appeared in concert at Al-idie in 1941.i Mrs. Mercer was loved for hergenerosity, interest, and kindness in aiding hospitals, libraries, individuals and many charitable organizations and agencies.A niece of Mr. Mercer. Baroness von Friesen. now of Portu-igal. is rxnected to arrive in the. United States. |Mrs. Mercer in 1951, deeded her|palatial Doylestown township es-: | rate to Dennis Cardinal Dough-jerty of Philadelphia.