Family Photograph - Older Lady Relative

This is a family photograph. The older lady relative is unknown to me as it is unmarked. The date is also unknown. -- The photo itself measures 5 1/2" by 3 7/8" and is mounted to a cardboard backing 7 1/4" by 5". Circa 1880's. The photographer is noted as W. B. Miles, 151 High St., Holyoke, Mass.