Frank J. Hammelbacher (1865-?) Worker (b. 1865, Ohio, USA - d. unknown, possibly Hammonton, Atlantic County, New Jersey, USA or Delaware County, Pennsylvania, USA)
Marriage: He married Margaret Girvin (1866-?).
Children: They had the following child: John Joseph Hammelbacher I (1885-c1947).
Pennsylvania: Frank appears on the 1910 Pennsylvania Census living with: Hester A. Girvin (1881-?); and Virginia Girvin (1902-?).