Mark Edward Souder was an American politician and businessman from Indiana. A Republican, he was a U.S. Representative from 1995 to 2010.

Grabill is a town in Cedar Creek Township, Allen County, Indiana, United States. The population was 1,053 at the 2010 census. Today it is known for the presence of antique stores and Amish farms. An incorporated town, Grabill has two community parks within the corporate limits.