In 1818, Spencer County, Indiana, was named for him.

It is one of two high schools in Spencer County.

He practiced for many years, and was the auditor of Spencer County, Indiana, from 1841 until 1855.

Mathias Sharp was one of Spencer County's leading early residents.

Spencer County is the name of two or more counties in the United States:

As of 2009, there are five public schools in Spencer County.

He served as prosecuting attorney of Spencer County 1876-1880.

In 1824, an eastern area of the county was given to help form Spencer County.

The city is the county seat of Spencer County.

In the 2000 census, even very fast growing counties such as Spencer County weren't included.