In addition to the professional, carved gravestones in Moore's Chapel Cemetery there are numerous field stones used as grave markers and several homemade stones such as this one for baby Dora Rabe.
The only Rabe family in the area came to Leon County, Texas a short while before the 1880 census was taken. In that census Christain and Caroline Rabe, both born in Prussia, are recorded there along with their six children ranging in ages from 14 to 2 years old. All six children are listed as having been born in Missouri so the family must have moved to Texas between 1878 and 1880.
Baby Dora was not listed on that census so she was apparently born after 1880 and before 1889 for her mother Caroline's gravestone records her death on Good Friday of 1889.