1880 Census for Mifflin Township, Alleghany County, Pennsylvania
John Halt, age 31, occupation: coal miner, place of birth: Penna., place of birth of father: Prussia, place of birth of mother: Prussia;
Mary Halt, wife, age 26, occupation: keeping house, place of birth: Hesse D. (i.e., Hesse Darmstadt in present day Germany), place of birth of father: Hesse D, place of birth of mother: Hesse D;
Conrad Halt, son, age 8, place of birth: Penna., place of birth of father: Penna., place of birth of mother: Hesse D;
Sadie Halt, daughter, age 4, place of birth: Penna., place of birth of father: Penna., place of birth of mother: Hesse D;
Fred Halt, son, age 1, place of birth: Penna., place of birth of father: Penna., place of birth of mother: Hesse D;