Douglas County, Illinois: Gwahaniaeth rhwng fersiynau

Sefydlwyd y rhanbarth ym 1859 allan o [[Coles County, Illinois|Coles County]]. Enwyd y rhanbarth ar ôl Stephen A. Douglas (1813-61), Democrat amlwg o Illinois amlwg a fu'n cynal dadleuon gydag [[Abraham Lincoln]],<ref>{{cite book | url=https://books.google.com/books?id=9V1IAAAAMAAJ&pg=PA108#v=onepage&q&f=false | title=The Origin of Certain Place Names in the United States | publisher=Govt. Print. Off. | author=Gannett, Henry | Yearyear=1905 | pages=108}}</ref>