Donna J. Tharp has been the Register of Wills and Recorder of Deeds since being elected in 2016. Donna previously held the position of first deputy in the Register and Recorder's office for 17 years under then-Register and Recorder Thomas M. Headlee. Upon Headlee's retirement on December 31, 2013, Tharp became the acting Register and Recorder.

During her term, she has strived to make updates that improve upon the function of the office, making it more efficient, secure and user friendly. She has streamlined paperwork and reports for a faster, more efficient processing method. For example, to preserve the original Estate files and Military Discharge DD214’s for future reference they were relocated from the public office space to a secure storage area in the office.

As Register of Wills she is responsible for the probate process for Wills and Estates, along with other estate related documents such as the Pennsylvania Inheritance Tax Returns. The Register is also accountable for the collection of the Greene County portion of the Pennsylvania Inheritance Tax for the Pennsylvania Department of Revenue. As the Recorder of Deeds, her duties include recording all of Greene Counties land and property records, including but not limited to, Oil & Gas Leases, Deeds, Mortgages, Lot Plans, Highway Maps, and Mine Subsidence Maps. Along with the confidential filings of Military Discharges (DD214’s). She is also accountable for the collection of the Greene County Reality Transfer Tax for the Pennsylvania Department of Revenue.

Tharp is a member of the Greene County Safety Committee, West Greene Lions Club, Democratic Women’s Committee, Pennsylvania Recorder of Deeds Association and the Pennsylvania Register of Wills and Clerk of the Orphans’ Court Association.

Donna resides in Wind Ridge with her husband, Sonny Tharp. They have 3 children, Ryan (Clarissa) Tharp, Tasia Tharp (Jamie Litten), both of Wing Ridge and Tyler Tharp (Lisa Moore) of Sycamore. Five grandchildren Reece, Raena and Regan Tharp and Jaelyn and Bryce Litten all of Wind Ridge.