I have a John Hopp, born in Marietta, Ohio in 1854. Marietta is just east of Lowell, Ohio. Several of the Hopp children were born and buried in Lowell and Coal Run, Ohio, Washington County. My John had :
A father named Conrad, married to Elizabeth Spies. They had the following children, besides my John :
Jacob, Lewis and Henry - all born 1850-60's
Caroline & Catherine born in same general time period.