A US Passport was issued to Lucy Barnum Clapp on 17 Oct 1914. She was described as 50 years old, about 5 feet 4 inches tall, low forehead, brown eyes, small and straight nose, large mouth, square chin, brown hair, dark complexion, and round and full face.
Another source gives her birth year as 1859.
From the NY Times May 10, 1920: Clapp, on Sunday, May 9, Lucy Beach Clapp, daughter of the late William H. and Charlotte Burrall Barnum and widow of Rev. Howard S. Clapp. Funeral at Saint Thomas Church, 5th Avenue and 53rd Street at 5:30 May 10. Interment Lime Rock, Connecticut.