Born: October 21, 1873, Brooklyn, New York.
Died: January 30, 1956, San Bernardino County, California.
Buried: Green-Wood Cemetery, Brooklyn, New York.
Pseudonyms
Elsie was the daughter of New York Shipping Commissioner Charles Crooker Duncan and Hannah Bagnell Leech, and wife of Arthur Wells Yale, Jr. (married December 30, 1896, Pennsylvania).