Oklahoma County, OK Genweb Project a collection of online resources for genealogy researchers
Oklahoma County Message Board read and post messages with other genealogy researchers of this county
Oklahoma Co. Genealogy Forum read and post messages about your ancestors for this county
Oklahoma County, Oklahoma Obits
Oklahoma Co; Search Archives of the Newspaper "Daily Oklahoman" from 1981 (fee for downloads)
The Tombstone Transcription Project - cemeteries for Oklahoma Co. OK
US GenWeb Archives for Oklahoma County cemeteries, newspapers, wills, military rosters etc recorded online
World War II Honor List of Dead and Missing Army and Army Air Forces Personnel - Oklahoma County page 1 , page 2 , page 3 , page 4

Additional Resources

Oklahoma Newspaper Search enter your ancestor's name to instantly search the world's largest newspaper archive; over 12 million newspaper pages
Oklahoma Birth Records
Oklahoma Marriage Records
Oklahoma Divorce Records
Oklahoma Death Records