David Rudabaugh was an outlaw and gunfighter in the American Old West

American Old West

The American Old West, or the Wild West, comprises the history, geography, people, lore, and cultural expression of life in the Western United States, most often referring to the latter half of the 19th century, between the American Civil War and the end of the century...

. Modern writers often refer to him as "Dirty Dave" on account of his alleged aversion to water, no evidence has emerged to show that he was ever referred to as such in his own lifetime.
Rudabaugh was born as David Rodenbaugh in Fulton County, Illinois

Fulton County, Illinois

Fulton County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 37,069, which is a decrease of 3.1% from 38,250 in 2000. Its county seat is Lewistown. Canton is the largest city. Both cities are southwest of Peoria, and the county is considered...

. His father was killed in the 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...

 when Dave was a boy. The family moved around following this, spending time in Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, Ohio

Ohio

Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

, and 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...

.
The outlaw career of Dave Rudabaugh began in earnest in Arkansas

Arkansas

Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...

 in the early 1870s.