Fultonhistory.com has an obituary for John Hale in the Yonkers Statesman newspaper which fits with the 1924 death date I found above. His wife is not mentioned in the obit, but it lists 5 children (Mrs. Clifford Radley of Yonkers, Mrs. Harry Hassel of New York City, Robert of Yarmouth, England, Richard of Ontario, Canada, and Jeffrey of New York City) and 2 Hale grandchildren of Bryn Mawr Park. Internment was in Oakland Cemetery.
Also on fultonhistory are a number of articles mentioning Maud Radley separating from her husband.