Thomas Johnson was a Methodist missionary

Missionary

A missionary is a member of a religious group sent into an area to do evangelism or ministries of service, such as education, literacy, social justice, health care and economic development. The word "mission" originates from 1598 when the Jesuits sent members abroad, derived from the Latin...

 and a member of the Kansas

Kansas

Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

 territorial legislature. He was robbed and murdered in 1865. Johnson County, Kansas

Johnson County, Kansas

Johnson County is a county located in northeast Kansas, in the central United States. The county is largely suburban, being part of the Kansas City metropolitan area, and containing many of its affluent southwestern suburbs. As of the 2010 census, the county population was 544,179. Its county...

 is named for him. Johnson was a known slave holder in Kansas

Kansas

Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

 and sided strongly with the proslavery group in Kansas.

Johnson who was pro-Southern but had signed a Unionist pledge was murdered at his home during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. It is a mystery whether he was robbed or whether he was killed for political purposes.