Robert J. Macauley (February 18, 1838 – March 17, 1904) was a Scottish American immigrant, lawyer, legislator, and judge.

[1] They initially settled on a farm in Hancock County, Illinois, where his father died five years later.

[2] But after six months of study, he enlisted for service with the Union Army in the American Civil War.

The 16th Wisconsin was organized under General William Tecumseh Sherman's Military Division of the Mississippi.

[1][3] On July 1, 1865, Macauley returned to Menomonie and continued his studies under Judge Bundy, and, in January 1867, he was admitted to the State Bar of Wisconsin at Eau Claire.