Marion County, OR Genealogy Forum read and post messages about your ancestors for this county
Marion County, OR Genweb Project a collection of online resources for genealogy researchers
Marion County Message Board read and post messages with other genealogy researchers of this county
The Tombstone Transcription Project - cemeteries for Marion Co. OR
US GenWeb Archives for Marion County cemeteries, newspapers, wills, military rosters etc recorded online
World War II Honor List of Dead and Missing Personnel, Marion County page1 and page2

Additional Resources

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