In a message dated 2/8/01 4:06:58 PM, jdavis20000@earthlink.net writes: << I have no information on town/township named Blackburn but, if you haven't looked at it yet, the 1920 census may give you the info you need if your ancestor was in the county at that time. >> Blackburn was a township in Ryan according to the 1910 Ryan census. By the way, it is on line at <A HREF="http://www.rootsweb.com/~okjeffer/">Jefferson County, OK.</A> Sheridan