Jonesboro; Records of Jonesboro, Maine 1756-1891 original marriage and birth records from the old town books
Machias; Ship Registers and Enrollments of Machias, Maine - 1780-1930
Washington County Surnames
Washington County, Maine Genweb Project a collection of online resources for genealogy researchers
Washington Co. Robbinston, ME births 1903-1910,,,1904,,1906-7
Washington County, ME Genealogy Forum read and post messages about your ancestors for this county
The Tombstone Transcription Project - cemeteries for Washington Co. Maine
US GenWeb Archives for Washington County cemeteries, newspapers, wills, military rosters etc recorded online

Cemeteries

Interment.net - cemeteries of Washington  County
Perry Cemeteries; Name Index from the Book "At Rest in Perry, Maine" transcriptions from  over 40 cemeteries here

Censuses

Census-Online.com - census transcriptions for  Washington Co.
Washington County Censuses

Military Records

Washington Co. Machias War of 1812

Additional Resources

Maine Obituary Search enter your ancestor's name to search the world's largest newspaper obituary archive; over 3 Billion newspaper articles
Maine Birth Records
Maine Marriage Records
Maine Divorce Records
Maine Death Records