Census-Online.com - census transcriptions for Cumberland Co.
Cumberland County GenWeb Project collection of online resources for genealogy researchers
Cumberland County Message Board read and post messages with other genealogy researchers of this county
Cumberland County, PA Genealogy Forum read and post messages about your ancestors for this county
Interment.net - cemeteries of  Cumberland Co.
Old Cumberland Co. Surnames
Silver Spring Twnshp, Cumberland County Silver Spring Presbyterian Church Marriages 1814-1830
The Tombstone Transcription Project - cemeteries for Cumberland Co; PA
US GenWeb Archives for Cumberland County cemeteries, newspapers, wills, military rosters etc recorded online here

Additional Resources

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