Sherman is a city in and the county seat

County seat

A county seat is an administrative center, or seat of government, for a county or civil parish. The term is primarily used in the United States....

 of Grayson County

Grayson County, Texas

As of the census of 2000, there were 110,595 people, 42,849 households, and 30,208 families residing in the county. The population density was 118 people per square mile . There were 48,315 housing units at an average density of 52 per square mile...

, Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. The city's estimated population as of 2009 was 38,407. It is also one of two principal cities in the Sherman-Denison Metropolitan Statistical Area.
The City of Sherman was named after General Sidney Sherman

Sidney Sherman

Sidney Sherman was a Texan general and a key leader in the Texas Army during the Texas Revolution and afterwards.-Early life:...

 (July 23, 1805 – August 1, 1873), a hero of the Texas Revolution. The community was designated as the county seat by the act of the Texas legislature which created Grayson County

Grayson County, Texas

As of the census of 2000, there were 110,595 people, 42,849 households, and 30,208 families residing in the county. The population density was 118 people per square mile . There were 48,315 housing units at an average density of 52 per square mile...

 on March 17, 1846.