Dorena is an unincorporated community in southeastern Mississippi County, Missouri. It is located at the intersection of Missouri State Highway 77 and Missouri State Highway 102, about thirteen miles southeast of East Prairie. Its post office has closed, and mail now comes from East Prairie. The community was founded in 1899, and the name comes from the slang term "doreen", meaning money. About two miles south of here is the Dorena Ferry which connects Missouri 77 with the Kentucky side of the Mississippi River. Mississippi County is a county located in the state of Missouri. ... Missouri State Highway 77 is a highway in southeastern Missouri. ... Missouri State Highway 102 is a highwy in Mississippi County, Missouri. ... East Prairie is a city located in Mississippi County, Missouri. ... 1899 (MDCCCXCIX) was a common year starting on Sunday (see link for calendar). ... Official language(s) English Capital Frankfort Largest city Louisville Area  - Total  - Width  - Length  - % water  - Latitude  - Longitude Ranked 37th 104,749 km² 225 km 610 km 1. ... This article is about the river in the United States. ...