Steven J. Hanley - The Psychogenealogist July 15, 2018 History, Genealogy Peter Christopher Costlow (1846-1905) and His Wife Matilda Topper Costlow (1850-1935) Steven J. Hanley - The Psychogenealogist July 15, 2018 History, Genealogy I am confident, though not certain, that this is my 3rd great uncle Peter Christopher Costlow (1846-1905) and his wife, Matilda. Here is his story and the questions that remain.