On the left side of the duplex, 101 Harvard St., is the house of Thomas S. Pettengill, a Brookline undertaker. The four women shown roughly match the ages of his wife (52) and daughters.

The family on the right, at 99 Harvard St., is unidentified.

Courtesy, Brookline Public Library. From Photographs of Brookline: taken about 1876 / Richard Hills. Call No.: BROOKLINE/Special (CAGE B.R. 974 H6).