The intersection of Bowdoin Street and Olney Street was designated a Hero Square for William J. Mulhern.
https://www.cityofboston.gov/veterans/herosquares/view.aspx?id=769
William J. Mulhern lived at 31 Oakley Street and was attached to the 302d Field Artillery. He died on November 4, 1918, in France from accidental firing and burns.