I am no way related to this person, but wanted to post the information in case it is helpful to someone else.
Source, Lowell Sun Lowell MA April 27, 1942
MRS. MARY J. HAYES
Mrs. Mary J. (Delano) Hayes died suddenly yesterday afternoon at her home, 270 Thorndike street.She is survived by her husband, John E. Hayes;three sons, James J. Hayes of Lowell, Francis E. Hayes of Concord, N.H., and Michael Hayes of the U. S. army;one daughter, Mary Hayes of lowell;three brothers, Charles, William and Henry Delano of New York, and one sister, Mrs. Mattie Tebbels of New York.The body was removed to the Fay funeral home, 307 Thorndike street, where friends may call after 6 o'clock today.