Grau, Mary Ann Clark


Mary Ann (Clark) Grau, 72, of Flinton, PA went home to be with the Lord on Wednesday, January 20, 2021 at Grand View Hospital, Sellersville, PA. She was the loving wife of the Rev. Gary L. Grau for 51 years.

Mary Ann was born in Harrisburg, PA to the late Richard Clark and the late Mary Elizabeth (Weikert) Clark. A graduate of Upper Arlington High School class of 1966, Mary Ann received her Bachelor of Arts Degree from The Ohio State University in 1970.  She was employed as a Social Worker until the birth of her first daughter when she became a full-time mother, her most cherished job.

Mary Ann loved animals (especially cats), spending time with her family, traveling, reading, and doing crossword puzzles. She enjoyed volunteering for the Waynesburg Animal Shelter, the Waynesburg Hospital, and Erin’s Inside Out Café. Mary Ann was also a former board member of the Eva K. Bowlby Public Library, and was a Girl Scout Leader for several years.

She was an active member of Garfield Street United Methodist Church (UMC), Patton Trinity UMC, Windber Calvary UMC, and Waynesburg First UMC. She enjoyed teaching Children’s Sunday School, leading the Children’s Choir, and singing in the church choir alongside her best friend Sue Yeager.

In addition to her husband Gary, she is survived by her two daughters, Amy L. (Ken) Ivory of Telford, PA and Becky J. (Mike) Roberts of Ruther Glen, VA; her two grandsons, Aidan and Ian Ivory; her sister-in-law, Candy Clark of Monroe, WA; her brother-in-law and sister-in-law David and Sandy Grau of Amelia Ohio; along with many nieces, nephews, and cousins.

She was preceded in death by her brother, Thomas Clark, her father-in-law James Grau, and her mother-in-law Virginia Grau.

A Celebration of Life will be held at Patton Trinity United Methodist Church, date to be determined.

In lieu of flowers, memorial contributions may be made in her memory to: Humane Society of Greene County, 183 Jefferson Road, Waynesburg, PA 15730 (; 2nd SAM 9, Inc, 290 West High Street, Waynesburg, PA 15370 (, or Patton SVDP Food Pantry, 323 Mellon Ave, Patton, PA 16668.

Arrangements by Anders-Detweiler Funeral Home & Crematory, 130 East Broad Street, Souderton, Pennsylvania 18964. To send online condolences to the family, visit