This monument commemorates fallen Union soldiers from West Roxbury. The Town of West Roxbury was created in 1852 (when it broke away from Roxbury). It remained separate until annexed to the City of Boston in 1874. The monument was dedicated on September 14, 1871. Its architect was William W. Lummis. It is constructed of Quincy granite in a Gothic style and it stands 34 feet high. Inside is a pillar of Italian marble inscribed with the names of the men of West Roxbury who were killed in the war. The four insignia on each side of the monument indicate the four branches of the Union Army at the time of the Civil War. The insignia are: sabers (cavalry), cannon (artillery), rifles (infantry) and an anchor (Navy). The name Andrew (on the façade facing South Street) is for John A. Andrew, the Governor of Massachusetts during the Civil War. There is a street in Jamaica Plain named for him.
The boulder of Roxbury Puddingstone in the corner of the lot commemorates the soldiers of Third Parish of Roxbury (as JP was back then) who fought in the American Revolution.