Michael Sullivan (died March 25, 1928) was a stonemason who in the 1920s built various historical structures of fieldstone in Casa Grande.
Matthew B. Juan, a Native American, who was the first Arizonan to die in World War I. Sullivan was born in Casa Grande, Arizona, in the late 19th century.
The stones used as fieldstones are building construction materials which are collected from the surface of fields where they occur naturally.
In 1924, he built the cobble Casa Grande Woman's Club Building, following the design of Tucson architect Henry Jaastad.
Sullivan did not see the dedication of this monument as he died on March 25, 1928, of a heart attack while en route to Sacaton, Arizona, for a visit.