Burr Oak, Noble County, IndianaBurr Oak is an unincorporated community in Noble Township, Noble County, in the U.S. state of Indiana.HistoryA post office was established at Burr Oak in 1848, but was soon discontinued, in 1850. The community probably took its name from the nearby Burr Oak Schoolhouse, built in 1840.GeographyBurr Oak is located at.