I visited Summerfield last Thursday and photographed a few headstones. This one is of Martha O'Neill, daughter of John and Anne Horton O'Neill. She died at the age of 12 in 1854. Not sure why.
She is in the Old Methodist Cemetery, alongside where the church used to be. It burned in the late 1990's, I believe. Her sister Dorinda and her father John are in the same cemetery.